1. How will you test your prediction is an appropriate helpful hint for what part of the scientific inquiry?
|
|
- Edgar Tucker
- 5 years ago
- Views:
Transcription
1 7 th Grade Comprehensive Science II Midterm Exam Part 1: Essay Scientific Inquiry: You may either use your own science project or the passage below to answer the following questions on the scientific inquiry. (Total of 10 points) Sofia is curious to find out which brand of fertilizer produces the tallest tomato plants. After purchasing 3 brands of fertilizer, she decides that Brand C will be the best brand. Her experiment lasted a total of 1 month. Once a month passed, these are the following measurements she gathered from her test: Brand A grew 30 cm, Brand B grew 50 cm, and Brand C grew 10 cm. A. What is the scientific question? B. What is Sofia s prediction? C. Identify the independent variable in this test. D. Identify the dependent variable in this test. E. What is one conclusion one can make from this test? Acids and Bases (Total of 10 points) F. What is the definition of a ph scale? G. Draw a diagram of the scale where you include the range of the scale. H. Add examples of an acid, a base, a neutral substance to your diagram. Part 2: Multiple Choice Directions: Read each question carefully. Then select from the options given the best response. Make sure you bubble in your answer correctly on your scantron form. Any answered bubbled incorrectly will probably be marked wrong. 1. How will you test your prediction is an appropriate helpful hint for what part of the scientific inquiry? a. Experiment b. Conclusion c. Hypothesis 2. In this step, the scientist is actually testing the hypothesis with specific procedures. Also, this is where the variables come into action a. Problem statement b. Prediction c. Experiment 3. A synonym for the manipulate variable is a. Controlled experiment b. Dependent variable c. Independent variable
2 4. This is the part of the scientific inquiry that is a prediction of what you believe the outcome of the test will be a. Results b. Experiment c. Hypothesis 5. The facts, figures, and other evidence gathered through your observations is a. Scientific question b. Results c. Scientific Inquiry 6. Analyzing your data and looking for improvements is an appropriate helpful hint for what part of the scientific inquiry a. Conclusion b. Responding Variable c. Independent Variable 7. A synonym for the responding variable is a. Controlled Experiment b. Dependent Variable c. Independent Variable 8. These is the process used by scientists to discover and explain the natural world a. Scientific method b. Scientific inquiry c. A and B are both correct. 9. What problem did the metric system solve for scientists? a. Scientists were not able to exchange results because they didn t have a common system of measurement. b. Scientists did not have a problem because scientists have always used a common system of measurement. 10. What is the definition of mass? a. The amount of space an object occupies b. The amount of matter in an object c. The distance from one point to another 11. What unit of measurement is used to measure mass? a. Grams (g) b. Celsius (C)
3 12. What tool is used to measure mass? a. A graduated cylinder b. A triple beam balance c. A meter stick 13. What is the definition of volume? a. If the object is a solid, then you must solve for the volume by multiplying length x width x height. b. If the object is a liquid, then the volume cannot be measured c. If the object is a liquid, then the volume can be measured by using a graduated cylinder. 14. The metric system measures temperature using a. Fahrenheit Scale b. Celsius Scale c. A and B are both correct 15. The proportion of mass and volume is the formula for a. Temperature b. Length c. Density 16. If the mass of an object has a mass of 12 grams and a volume of 4 milliliters, then what is the density? a. 2 g/ml b. 3 g/ml c g/ml 17. If the mass of an object has a mass of 9 grams and a volume of 45 milliliters, then what is the density? a. 5 g/ml b. 0.2 g/ml c. 1,250 g/ml 18. An atom of Carbon can never be an atom of Hydrogen. a. An atom of one kind can never be turned into the atom of another kind. b. Atoms of the same element have the same mass. c. Compounds of elements will always follow a ratio or recipe when combining together.
4 19. If one atom of Lithium has a mass of 7 grams, then what is true for all atoms of Lithium? a. All elements or natural, pure substances are made up of atoms. b. Atoms of the same element have the same mass. c. Compounds of elements will always follow a ratio or recipe when combining together. 20. When Hydrogen and Oxygen bond to form the compound water, two Hydrogens are needed and 1 Oxygen is needed. a. All elements or natural, pure substances are made up of atoms. b. Atoms of the same element have the same mass. c. Compounds of elements will always follow a ratio or recipe when combining together. 21. According to the Modern Atomic Model, the locations of the protons, neutrons, and electrons are a. The protons and electrons are inside of the nucleus and orbiting the nucleus are the neutrons. b. The protons and neutrons are within the nucleus and the electrons are located within the electron cloud. c. These descriptions are false because the atom is a solid mass that cannot be broken down any further. 22. In the discovery of the Modern Atomic Model, which group of scientists below contributed their ideas so that the final answer could be found? a. Ernest Ruther ford, Neils Bohr, and Chadwick b. Ancient Greeks, John Dalton, and J.J. Thomson c. Both A and B 23. The modern atomic model is a. Not a true representation of the atom b. A combination of scientists discoveries over time c. A and B are correct For questions 26-31, match the definition with the vocabulary term in the word box. 26. A subatomic particle with no charge or neutral charge 27. A subatomic particle that is positively charged 28. A subatomic particle that is negatively charged 29. A civilization of people that jump started the discovery of the atom. 30. Model used today to represent the atom 31. As a whole describes what all atoms have in common. Word Box A. Chadwick B. Protons C. Modern Atomic Model D. Neils Bohr E. Electrons F. Ancient Greeks G. Neutrons H. Dalton s Atomic Theory
5 32. Science is one of those subjects where the observation and experiments that lead up to new discoveries are just as important as the discoveries themselves. As scientists were on their quest to did the correct model of the atom, what helped scientists greatly? a. As scientist worked to discover and explain the atom, their cooperation or exchanging of results helped them greatly. b. As scientist make discoveries through the years, they were hurt by technology not getting better. c. A and B are incorrect statements 33. How has the periodic table changed over time? a. Mendeleev made the first major change because he organized the periodic table by atomic mass. b. Henry Rosely later made the second major change because he organized the periodic table by atomic number. c. Both A an B are correct. 34. Which of the following definitions for atomic number is correct? a. The atomic number is the number of protons and electrons an element has. b. The atomic number is the number of neutrons the element has. c. The atomic number is the average isotope mass of the element. 35. Au for Gold or C for Carbon are examples of a. atomic symbol b. atomic mass c. atomic number 36. What two subatomic particles are always equal to each other? a. neutrons and electrons b. protons and neutrons c. electrons and protons 37. If you read the periodic table from left to right, what is the general order of the element types? a. metalloids, nonmetals, and then metals b. metals, metalloids, and then nonmetals c. nonmetals, metals, and then metalloids 38. What is the difference between a period and a group? a. Groups are the horizontal rows of the periodic table and the periods are the vertical columns of the periodic table. b. Periods and groups both describe the same type of organization. c. Periods represent only metals and the groups represent the nonmetals and metalloids.
6 39. One of the physical properties of a metal is that they are shiny. Which definition best describes the word shiny? a. the ability to be flattened out into sheets b. how bright the metal is c. very good at conducting heat or electricity 40. One of the physical properties of a metal is that they are ductile. Which definition best describes the word ductile? a. can change its shape easily b. how bright the metal is c. very good at conducting heat or electricity 41. What is one of the chemical properties of metals? a. rust b. ductility c. shininess 42. What is a common property of nonmetals? a. shininess b. malleability c. poor conductor of electricity 43. The element Silicon is found in what group? a. Group 4 b. Group 3 c. Group The element Potassium is found in what group? a. Group 3 b. Group 1 c. Group The element Magnesium is found in what group? a. Group 8 b. Group 7 c. Group 2
7 46. The element Xenon is found in what group? a. Group 5 b. Group 8 c. Group Atomic number 11 represents what element? a. Sodium b. Carbon c. Hydrogen 48. The fact that some metalloids of the periodic table can be conductors and some metalloids are poor conductors tells us that metalloids are a a. combination of metals and nonmetals b. only a combination of various metals c. combination of metals and noble gases 49. Despite the fact that the element Hydrogen has a valence electron of 1, it has chemical properties very similar to a. lanthanide series b. radioactive elements c. nonmetals 50. Ernest Rutherford produced a model of the atom that proposes electrons circle the nucleus in multi-directions. a. True b. False 51. The discovery of that Modern Atomic Model was in no way a result of scientists working together. a. True b. False 52. Neils Bohr produced a model of the atom where the electrons orbit the nucleus in much the same way the electron cloud shows. a. True b. False 53. Who is considered to the be the father of the periodic table? a. John Dalton b. Rutherford c. Mendeleev
8 54. Between metals and nonmetals, which kind of element generally has more valence electrons overall? a. metals elements b. nonmetals elements c. radioactive elements 55. What could you conclude about the strength and structure of a bond between a nonmetal and metal? a. A bond between a nonmetal and a metal is an ionic bond which produces a bond that is very strong. b. A bond between a nonmetal and a metal is a covalent bond which produces no crystal structure and therefore weak. 56. Why is group 7 the most reactive group on the periodic table? a. Group 7 is very reactive because they are far from fulfilling the Octet Rule. b. Group 7 is very reactive because they are very close to fulfilling the Octet Rule. c. Group 7 is not reactive because they are the Noble Gases. 57. What type of covalent bond is water? a. polar covalent bond b. nonpolar covalent bond 58. What type of covalent bond is oil? a. polar covalent bond b. nonpolar covalent bond 59. Decide which of the following are acids are which are bases: NaOH, HCl, HNO3, KOH, and Ca(OH)2. a. HCl and HNO3 are acids. NaOH, KOH, and Ca(OH)2 are bases. b. NaOH, KOH, and Ca(OH)2 are acids. HCl and HNO3 are bases. c. The chemical formula does not identify whether a substance is an acid or base. 60.
Name: Period: ELEMENTS AND ATOMS Chapter 1. The Building Blocks of matter pages L6-11
Name: Period: ELEMENTS AND ATOMS Chapter 1 The Building Blocks of matter pages L6-11 1. The simplest pure substances are called. 2. Why are elements often called the building blocks of matter? 3. Is the
More informationATOMIC STRUCTURE. Atoms are really small. Gold and Palladium Atoms
ATOMIC STRUCTURE Atoms are really small. Gold and Palladium Atoms Theory vs Model Models are diagrams or apparatuses used to simplify the description of a complicated idea John Dalton English scientist
More informationPhysical Science Midterm Review
Chapter 1: Science Skills, pages 2-25 1. What is science? Science is a system of knowledge and the methods you use to find that knowledge. 2. What is the relationship between science and technology? Science
More informationCHAPTER 3. Chemical Foundations
CHAPTER 3 Chemical Foundations 3.1 THE ELEMENTS 118 elements in 92 occur naturally, the rest are synthesized All matter in the universe can be chemically broken down into elements Compounds are made by
More information5.1 Atoms are the smallest form of elements
5.1 Atoms are the smallest form of elements 1 All matter is made of atoms Same type of atoms = element There are approximately 100 elements known today 2 Each element has its own symbol & properties Hydrogen
More informationShort answers worksheet grade 8 Short Answer
Short answers worksheet grade 8 Short Answer 1. How was Bohr s theory of atomic structure similar to the current theory? 2. How was Bohr s theory of atomic structure different form the current theory?
More informationOrganizing the Periodic Table
Organizing the Periodic Table How did chemists begin to organize the known elements? Chemists used the properties of the elements to sort them into groups. The Organizers JW Dobereiner grouped the elements
More informationWarm Up 9/17/12. How long have people been interested in understanding matter and its structure? A. Thousands of years. B.
Warm Up 9/17/12 How long have people been interested in understanding matter and its structure? A. Thousands of years B. Hundreds of years C. A few years D. Never What is an atom? The smallest particle
More informationThe Atom. The Atom and The Periodic Table of Elements. Evolution of Atomic Theory
The Atom The Atom and The Periodic Table of Elements An atom is the smallest particle of matter. It cannot be divided chemically An atom is very small: A sheet of paper is about a million atoms thick Because
More informationAtoms, Molecules and Ions
Atoms, Molecules and Ions Atomic Theory of Matter Modern Atomic Theory Relation to Periodic Table Isotopes & Mass Number Periodic Table Ionic Compounds Molecular Compounds Acid Compounds The Atomic Theory
More informationThe Atom & Periodic Table. Unit 2 Topics 4-6
The Atom & Periodic Table Unit 2 Topics 4-6 Electrons in Atoms Topic 4 Describe Bohr s model of the atom. Sketch it! Bohr - A review electrons exist in orbits around the nucleus. Bohr - IB Information
More informationParticle Charge Mass Location Proton + 1 In nucleus Neutron O 1 In nucleus Electron -- Small fraction of proton 1/1837
ATOM UNIT NOTES: Building Blocks of Matter: The atom is the smallest piece that keeps the properties/characteristics of that type of particle. They are the building blocks of matter. Atoms are made of
More informationDATE: NAME: CLASS: BLM 1-9 ASSESSMENT. 2. A material safety data sheet must show the date on which it was prepared.
Chapter 1 Test Goal Demonstrate your understanding of the information presented in Chapter 1. What to Do Carefully read the instructions before answering each set of questions. True/False On the line provided,
More informationModern Atomic Theory
Modern Atomic Theory Review of the Discovery of the Atom 1803 John Dalton discovered that elements are made of atoms. He thought that atoms were solid, like a marble. 1875 Crooks discovered the electron.
More informationMIDTERM STUDY GUIDE. Chapter 1 Introduction to Chemistry
MIDTERM STUDY GUIDE Chapter 1 Introduction to Chemistry What is chemistry? Chemical properties vs. physical properties examples of both States of matter Scientific method Chapter 2 Data Analysis SI measurement
More information8 th Grade Science. Directed Reading Packet. Chemistry. Name: Teacher: Period:
8 th Grade Science Directed Reading Packet Chemistry Name: Teacher: Period: Chapter 1, Section 1: Inside the Atom Introduction 1. Atoms are the particles of an element that still have the element s. 2.
More informationATOMIC STRUCTURE AND THE PERIODIC TABLE. Adapted from Addison Wesley Chemistry
ATOMIC STRUCTURE AND THE PERIODIC TABLE Adapted from Addison Wesley Chemistry HISTORY OF THE ATOM 4 th Century B.C. : Democritus suggested that matter was made up of very small particles called atoms.
More informationAtomic Structure & the Periodic Table
Atomic Structure & the Periodic Table Structure of the Atom Symbols Symbols are used to represent different elements. Example: C carbon, Al aluminum Some symbols are from the Latin words. Example: sodium
More informationAE Chemistry Midterm Study Guide
Name Date Define Chemistry AE Chemistry Midterm Study Guide Since chemistry studies matter what is the definition of matter. What is the Law of Conservation of Matter? What is energy, what are the two
More informationChemistry Notes: The Periodic Table
Warm-Up 1. What is the periodic table? 2. Who invented it? 3. How does the periodic table organize the elements? 4. Why did Mendeleev leave empty spaces when he constructed his periodic table? Chemistry
More informationUnit 3 PRACTICE TEST:
name/date/pd: Unit 3 PRACTICE TEST: 1) List the major contributors to atomic theory (in order) in the table below. Then, fill in the rest of the missing information such as their major discoveries, model,
More informationName: Date: Period: Study Guide: 8th grade - Chapter 8 Test, Elements and Chemical Bonds
Name: Date: Period: Study Guide: 8th grade - Chapter 8 Test, Elements and Chemical Bonds 1. Water is a covalent bond because. 2. Ionic bonds have the ability to. 3. When atoms gain or lose electrons, an
More informationUNIT 2 ATOMIC STRUCTURE AND THE PERIODIC TABLE
UNIT 2 ATOMIC STRUCTURE AND THE PERIODIC TABLE PHYSICAL SCIENCE MRS. VALENTINE OBJECTIVE: 2.1 ATOMIC STRUCTURE AND MODELS I will be able to label/draw an atom. I will understand the progression of the
More informationAll are made of atoms. The, your and even are made of atoms. Atoms are. One atom is only one of a meter wide!
Name: Atoms & The Periodic Table WHAT IS AN ATOM? What is an atom? All are made of atoms. The, your and even are made of atoms. Atoms are. One atom is only one of a meter wide! DEMOCRITIS The idea of an
More informationIntroduction period group
The Periodic Table Introduction The periodic table is made up of rows of elements and columns. An element is identified by its chemical symbol. The number above the symbol is the atomic number The number
More informationChapter 1. Atoms, Elements, Compounds and Mixtures
Chapter 1 Atoms, Elements, Compounds and Mixtures 1 1 Models of the Atoms History of the Atom Scientists have not always had the tools that we have now. A long time ago, scientists did not have any tools
More informationPeriodic Table of Elements
Periodic Table of Elements chlorine nitrogen helium gold oxygen silver mercury hydrogen neodymium sodium niobium carbon Elements Science has come along way since Aristotle s theory of Air, Water, Fire,
More informationAtoms, molecules, bonding, periodic table
Atoms, molecules, bonding, periodic table Atoms Modern Atom Model Nucleus-Protons and Neutrons Electrons around nucleus, never know the true location Protons Positively charged In nucleus Neutrons Neutral
More informationEvery element has its own unique symbol.
The Periodic Table Every element has its own unique symbol. For some elements the symbol is simply the first letter of the element s name. Examples: Hydrogen = H, Sulfur = S, Carbon = C Symbols for other
More informationScience Grade 5 Chapter 5: Comparing Kinds of Matter Lesson2: Elements
Element: is a material that cannot be broken down into anything simpler by chemical reactions. o There are 118 elements o Most elements are solids, some are gasses and few are liquid at room temperature
More informationTest Review # 5. Chemistry: Form TR5-8A. Average Atomic Mass. Subatomic particles.
Chemistry: Form TR5-8A REVIEW Name Date Period Test Review # 5 Subatomic particles. Type of Particle Location Mass Relative Mass Charge Proton Center 1.67 10-27 kg 1 +1 Electron Outside 9.11 10-31 kg 0-1
More informationName Class Date ELECTRONS AND THE STRUCTURE OF ATOMS
The Periodic Table ELECTRONS AND THE STRUCTURE OF ATOMS 6.1 Organizing the Elements Essential Understanding Although Dmitri Mendeleev is often credited as the father of the periodic table, the work of
More informationYour Guide for Success Chemistry Unit Name:
Your Guide for Success Chemistry Unit Name: Chemistry Outline I. Classification Of Matter A. Elements 4 1. Identifying by Properties 2. Classifying Elements B. Compounds 4 1. Composition 2. Identifying
More information7.2 The Bohr Theory of the Atom
7.2 The Bohr Theory of the Atom John Dalton Michael Faraday showed that atoms could gain electric charges J.J. Thompson The atomic theory was once again revised, to include his ideas: Ernest Rutherford
More informationExam Accelerated Chemistry Study Sheet Chap 04 The Atom/Periodic Table
Exam Accelerated Chemistry Study Sheet Chap 04 The Atom/Periodic Table Name /87 TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. Correct the False statements by changing
More informationMs. Agostine s College Prep Chemistry Midterm Exam Review Packet for
Ms. Agostine s College Prep Chemistry Midterm Exam Review Packet for 2014-2015 MIDTERM EXAM SCHEDULE for 2014-2015: Review Day: FRIDAY, JANUARY 16, 2015 Tuesday, January 20, 2015: Midterm Exams Wednesday,
More informationName: Period: CHEMISTRY I HONORS SEMESTER 1 EXAM REVIEW
Name: Period: CHEMISTRY I HONORS SEMESTER 1 EXAM REVIEW Unit 1: Nature of Science What rules must be obeyed to safely conduct an experiment? What are the components of a good scientific experiment? What
More informationPart I: Structure of Matter
Part I: Structure of Matter What is Matter? Matter is anything with mass and volume (occupies space). Matter is composed of atoms. Note: Atoms are different from cells. Cells are the basic unit of all
More informationTest 3: Lab Safety, Measurements, Matter and Periodic Table
Name: Grade/Group: Subject: Chemistry-7 Teacher: Mrs. Raj Date: Test 3: Lab Safety, Measurements, Matter and Periodic Table Directions: Determine the best answer for each question. Circle your answer on
More informationTextbook: Section B, Chapter 1
Atoms and the Periodic Table Review Sheet Textbook: Section B, Chapter 1 1. What is the Atomic number of nitrogen? 2. How many protons does nitrogen have? 3. How many electrons does nitrogen have? 4. How
More information2. Which is NOT considered matter? (A) air (B) lead (C) sugar (D) sunlight. 4. Which of the following is a metalloid? (A) Se (B) Sr (C) Si (D) Sn
Midterm Review Packet ANSWER KEY 01/26/2014 Multiple Choice Question 1. Which part of an atom is positively charged? (A) proton (B) neutron (C) electron (D) shells 2. Which is NOT considered matter? (A)
More informationUnit 2 Test Study Guide: Atomic Structure and the Periodic Table
Unit 2 Test Study Guide: Atomic Structure and the Periodic Table 1. What is an atom? Give the definition. An atom is the building block of all matter. It is the basic particle from which all elements are
More informationPeriodic Table Workbook
Key Ideas: The placement or location of elements on the Periodic Table gives an indication of physical and chemical properties of that element. The elements on the Periodic Table are arranged in order
More informationChapter 5 Review 1. The order of elements in the periodic table is based on a. the number of protons in the nucleus. b. the electric charge of the
Chapter 5 Review 1. The order of elements in the periodic table is based on a. the number of protons in the nucleus. b. the electric charge of the nucleus. c. the number of neutrons in the nucleus. d.
More informationUnit 7: The Periodic Table
Unit 7: The Periodic Table Name Class Website: http://pilarz.weebly.com PS:7 TLW categorize elements of the periodic table according to common properties and explain how elements differ in structural parts
More informationTest Review # 4. Chemistry: Form TR4-9A
Chemistry: Form TR4-9A REVIEW Name Date Period Test Review # 4 Location of electrons. Electrons are in regions of the atom known as orbitals, which are found in subdivisions of the principal energy levels
More informationAtoms, Elements, and the Periodic Table Unit Assessment (2016) Page 1 of 13
TEST NAME:Atoms, Elements, and the Periodic Table Unit Assessment (2016) TEST ID:36063 GRADE:06-08 SUBJECT:Life and Physical Sciences TEST CATEGORY: Common Assessment Atoms, Elements, and the Periodic
More informationUNIT 2: Matter and its changes. Mrs. Turner
UNIT 2: Matter and its changes Mrs. Turner Preassessment Take out a sheet of paper and number it from 1-25. Write down your answers to plug them into your clickers. Don t worry about not knowing an answer
More informationChemistry 1-2E Semester I Study Guide
Chemistry 1-2E Semester I Study Guide Name Hour Chapter 1 1. Define the following terms. Matter Mass Law of Conservation of Mass 2. Define and give 2 examples of the following: Pure substance Element Compound
More informationChapter 4 (part 1) Chemical Foundations: Elements, Atoms, and Ions. Copyright Cengage Learning. All rights reserved 1
Chapter 4 (part 1) Chemical Foundations: Elements, Atoms, and Ions Copyright Cengage Learning. All rights reserved 1 Section 4.1 The Elements 118 known: 88 found in nature, others are made in laboratories.
More informationIntroduction to the Periodic Table
Introduction to the Periodic Table Atomic Number Symbol Atomic Weight Element Compound Mixture I am Dmitri Mendeleev! I made the PERIODIC TABLE! What is the PERIODIC TABLE? oshows all known elements in
More informationUnit 7 Study Guide: Name: KEY Atomic Concepts & Periodic Table
Unit 7 Study Guide: Name: KEY Atomic Concepts & Periodic Table Focus Questions for the unit... How has the modern view of the atom changed over time? How does a chemist use symbols and notation to communicate
More informationStructure of matter I
Structure of matter I "Could anything at first sight seem more impractical than a body which is so small that its mass is an insignificant fraction of the mass of an atom of hydrogen?" J.J. Thomson, about
More information8.5C: Periodic Table
Reflect Suppose you wanted to organize your locker at school. How could you separate and arrange everything in an organized way? You could place the books, notebooks, and folders on a shelf that is separate
More informationcalcium and magnesium
Section 5 5 Elements and the Periodic Table (Pages 184 187) 1. Electrolytes are the substances whose water solutions conduct electricity. Nonelectrolytes are substances that when in water do not conduct
More informationUnit 3: Atoms, Matter, & The Periodic Table.
Unit 3: Atoms, Matter, & The Periodic Table http://www.youtube.com/watch?v=cnxv7ph3wpk Matter (Made of Atoms) Matter is anything that: a) has mass, and b) takes up space Mass = a measure of the amount
More informationTerm Info Picture. Atoms, Molecules, Elements, Compounds, Mixtures and LOCOM
Atoms, Molecules, Elements, Compounds, Mixtures and LOCOM S8P1. Obtain, evaluate, and communicate information about the structure and properties of matter. E. Develop models by analyzing patterns within
More informationThe Periodic Law Similar physical and chemical properties recur periodically when the elements are listed in order of increasing atomic number.
The Periodic Law Similar physical and chemical properties recur periodically when the elements are listed in order of increasing atomic number. Each period ends with a completely filled outer shell that
More informationUNIT 3 DENSITY STRUCTURE S AND ISOTOPES
UNIT 3 DENSITY STRUCTURE S AND ISOTOPES What is density and how to use it? A Brief History of Chemistry Structure of an Atom How to make Ions? What are Isotopes? DENSITY Density: is the mass of a substance
More informationChemistry Vocabulary. These vocabulary words appear on the Chemistry CBA in addition to being tested on the Chemistry Vocabulary Test.
Chemistry Vocabulary These vocabulary words appear on the Chemistry CBA in addition to being tested on the Chemistry Vocabulary Test. atom the smallest unit of an element that still represents that element.
More informationAtoms and Elements Class Notes and Class Work
Atoms and Elements Class Notes and Class Work Introduction to Matter Property: Characteristics matter has. Law: A rule nature seems to follow. It s been observed regularly. Theory: Tries to explain the
More informationChap 4 Bell -Ringers
Chap 4 Bell -Ringers The Structure of the Atom The Atom has a Structure What we ve seen so far Chapter 1 The Science of Chemistry - Chemistry is about discovering and understanding natural laws using the
More informationIn the modern periodic table, elements are arranged by increasing atomic number
THE MODERN PERIODIC TABLE The Periodic Law Q. How is the modern periodic table organized? In the modern periodic table, elements are arranged by increasing atomic number (number of protons). Properties
More informationChapter 3: Atomic Theory
Chapter 3: Atomic Theory and Elements, Atoms, Compounds & Ions A. The Elements All of the materials in the universe can be chemically broken down into about 100 different elements. 1. Element can have
More informationElements are the building blocks of matter. Chapter 2
Elements are the building blocks of matter. Chapter 2 S In this chapter we will be covering S ELEMENTS!!! S The Periodic Table and Chemical Properties!!! S The Periodic Table and Atomic Theory! What is
More information2013 First Grading Period STAAR Notes
Name per 2013 First Grading Period STAAR Notes ATOM Nucleus Cloud Proton Neutron Valence electrons Structure of Atoms Tiny particles that makes up most types of matter Contains 3 subatomic particles protons,
More informationChemistry CRT Study Guide First Quarter
Number AL COS # 1. #1.0 Classify sodium chloride as an element, mixture, compound, or colloid. Compound 2. #1.0 Classify air as an element, mixture, compound, or colloid. Mixture 3. #1.0 Classify a blueberry
More informationPhysical Science Lecture Notes Chapters 16, 17 & 18
Physical Science Lecture Notes Chapters 16, 17 & 18 I. 16-1 Organizing Elements a. The periodic table is laid out by increasing atomic number as you go across and down the table b. Main body of the table
More informationProperties of Atoms and The Periodic Table. Ch 16, pg
Properties of Atoms and The Periodic Table Ch 16, pg. 488-506 Today s Learning Objectives Describe the 5 models of the atom. Be able to arrange the 5 models of the atom in order. Explain why the models
More informationPhysical Science Study Guide
Name: Class: Date: Physical Science Study Guide Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Mendeleev arranged the known chemical elements in a table
More informationUnits 1, 2 study guide- atomic structure
Name: Units 1, 2 study guide- atomic structure 1) Complete the required information for each subatomic particle (T1.3) symbol name charge location Mass (AMU) p + e - n 0 2) Define the following terms:
More informationPeriodic Table Worksheets 1 1. Which family is described? Give the name.
Periodic Table Worksheets 1 1. Which family is described? Give the name. A- I have 1 electron on my outer shell B- One of the elements has 35 as the atomic number C- I have 2 electrons on my outer orbital
More information1. Demonstrate knowledge of the three subatomic particles, their properties, and their location within the atom.
1. Demonstrate knowledge of the three subatomic particles, their properties, and their location within the atom. 2. Define and give examples of ionic bonding (e.g., metal and non metal) and covalent bonding
More informationUnit 6: Chemistry Test 1 Study Guide
Name: Due Date: Unit 6: Chemistry Test 1 Study Guide Date: Test Date: Unit 6 Important Topics: Please review the concepts on this study guide as well as any other notes/worksheets from this unit. I. Aim
More informationUnit 2: Atoms and the Periodic Table
Unit 2: Atoms and the Periodic Table Name Block Learning Goals A. Use the periodic table to identify the group and the period of an element. Your Prior Understanding of Learning Goals Excellent Good Okay
More informationUnit 4: Atomic Structure and the Periodic Table
1 Unit 4: Atomic Structure and the Periodic Table Vocabulary: Atom Proton Neutron Electron Nucleus Term Definition Sub-atomic particle with positive (+) charge; located in nucleus of atom; determines identity
More informationAtomic Structure. What is an atom? The smallest particle of an element that retains properties of that element. Gedanken
Atomic Structure What is an atom? The smallest particle of an element that retains properties of that element. Gedanken 1 Atomic Theory Democritus vs. Dalton 500 BC 1808 AD Pure thought Observation + experiment
More informationTHE PROPERTIES OF MATTER
CHAPTER 1 THE PROPERTIES OF MATTER SECTION 1 1 Matter and Changes in Matter (pages 24-30) This section describes properties of matter and how matter can be classified The section also describes ways in
More informationName Date Class DEFINING THE ATOM
4.1 DEFINING THE ATOM Section Review Objectives Describe Democritus s ideas about atoms Explain Dalton s atomic theory Describe the size of an atom Vocabulary atom Dalton s atomic theory Part A Completion
More informationUnit 3: Atoms and Periodic Table Retake Review Packet
Name Date Block Unit 3: Atoms and Periodic Table Retake Review Packet Completing each section of the retake review packet will fulfill one of the requirements for retaking the unit 3 test. Section 1: Vocabulary
More informationChapter 2. Atoms, Ions, and the Periodic Table. Chapter 2 Topics. 2.1 Dalton s s Atomic Theory. Evidence for Atoms. Evidence for Atoms
Chapter 2 Atoms, Ions, and the Periodic Table Chapter 2 Topics 1. Dalton s s Atomic Theory 2. Structure of the Atom 3. Ions 4. Atomic Mass 5. The Periodic Table Copyright The McGraw-Hill Companies, Inc.
More informationElements and the Periodic Table
Chapter 7 Elements and the Periodic Table What are metals like? Think of things that are made with metals like aluminum, copper, iron, and gold. What do they have in common? They are usually shiny, and
More information1 amu 1 amu 0 amu. Chapter 2 part 1.notebook September 16, Modern Atomic Theory
Chapter 2 The Atom Elements are the basic substances that make up all matter. An atom is the smallest particle of an element. Average atoms are 10 10 m in diameter. If you could put 6.02 x 10 23 p + and
More informationUnit 1 review. Chapter 1, chapter , 2.4
Unit 1 review Chapter 1, chapter 2.1-2.2, 2.4 The Organization of Matter Matter Mixtures: a) Homogeneous (Solutions) b) Heterogeneous Pure Substances Elements Compounds Atoms Nucleus Protons Quarks Electrons
More informationCLASS COPY Structure and Properties of Matter Parts of the atom
CLASS COPY Structure and Properties of Matter Parts of the atom An atom is made up of protons, neutrons, and electrons. Look at the model of a carbon atom from the graphite in the point of a pencil. Protons
More informationChemistry Mid-Term Exam Review Spring 2017
Unit 1 Measurement & Math Accuracy & Precision (recognizing given lab data) Density calculations Number of SFs in a measurement, Round answers to correct number of SFs Percent Error Unit conversions in
More informationUnit 2. Chemical Foundations: Elements, Atoms, and Ions
Unit 2 Chemical Foundations: Elements, Atoms, and Ions Memorize the list of elements You will have a quiz on this list. All of the elements will be on the quiz! Elements in the Earth System (% mass in
More information1 st Six Weeks Test Study Guide
Name 1 st Six Weeks Test Study Guide Date 1. List the function of the following science equipment. a. Beaker- Used to measure large amounts of liquids in ml b. Graduated Cylinder- Used to measure small
More informationElements are the Building Blocks of Matter
Elements are the Building Blocks of Matter Elements Elements: The basic building blocks of matter Made up of one type of atom (cannot be broken down further) About 90 elements occur naturally (carbon,
More informationAtoms, Elements and the Periodic Table. By: Mrs. Herman 2013
Atoms, Elements and the Periodic Table By: Mrs. Herman 2013 Made of A t o m s Protons (positive charge) Neutrons (neutral charge) Electrons (negative charge) Each atom contains a specific number of protons
More informationAtoms, Molecules and Ions. Chapter 2
Atoms, Molecules and Ions Chapter 2 2.1 The Atomic Theory of Matter Democritus [460-370 BCE] Described tiny, indivisible particles Called them atomos Differed from Aristotle 17th century - idea of atoms
More informationINTRODUCTION TO IONS
Name: INTRODUCTION TO IONS Block: Vocabulary: chemical family, electron affinity, ion, ionic bond, metal, nonmetal, octet rule, shell, valence electron Review 1. What are the 3 subatomic particles of an
More informationAtomic Structure. Defining the Atom. Defining the Atom. Sizing up the Atom. Structure of the Atom 9/18/2012
Atomic Structure Defining the Atom Atom smallest particle of an that retains the chemical of that element 1 2 Defining the Atom The Greek philosopher Democritus (460 B.C. 370 B.C.) was among the to suggest
More informationMid-Term Review Multiple Choice: Ch. 3 Identify the letter of the choice that best completes the statement or answers the question.
HONORS CHEMISTRY MID-TERM PRACTICE January 2013 Mrs. Allen from HS North put together a collection of multiple choice questions for you to use as a study tool. Not all of the midterm topics are covered
More informationTeacher: Mr. gerraputa. Name: Base your answer to the question on the information below. Given the electron dot diagram:
Teacher: Mr. gerraputa Print Close Name: 1. Given the electron dot diagram: The valence electrons represented by the electron dot diagram could be those of atoms in Group 1. 13 3. 3 2. 15 4. 16 2. Which
More informationAtomic Structure & the Periodic Table
Atomic Structure & the Periodic Table Basic Definitions smallest unit of an element that retains the properties of that element Atoms are made up of several subatomic particles called,, and Protons, Neutrons,
More information5. All isotopes of a given element must have the same (A) atomic mass (B) atomic number (C) mass number (D) number of neutrons
1. Which substance can be decomposed by a chemical change? (A) beryllium (B) boron (C) methanol (D) magnesium 2. The particles in a crystalline solid are arranged (A) randomly and far apart (B) randomly
More informationAnswer on Question # Chemistry Other
Answer on Question #47967 - Chemistry Other Question 1. What are the subatomic particles that make up an atom? 2. Who was the first person to suggest the idea of atoms, in the fourth century B.C? 3. Which
More informationUNIT 4 ATOMIC THEORY
UNIT 4 ATOMIC THEORY 1. Atomic theory: Dalton s model Thomson s model Rutherford s model Bohr s model Electron cloud model 2. Particles inside the atom Atomic number Mass number 3. Ions Cations Anions
More informationTHE PERIODIC TABLE. Dr Marius K Mutorwa
THE PERIODIC TABLE Dr Marius K Mutorwa mmutorwa@polytechnic.edu.na COURSE CONTENT 1. History of the atom 2. Sub-atomic Particles protons, electrons and neutrons 3. Atomic number and Mass number 4. Isotopes
More information