Name: Date: Period: CLASS MONDAY (9/20 TUESDAY (9/21) WEDNESDAY (9/22) THURSDAY (9/23) FRIDAY (9/24) Math: Polygons

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1 Homework 2 nd Hour 1 st Hour Name: Date: Period: This week, you will get an intro into the basic 2D shapes and lines you will see in geometry and then incorporate them into some sketches that you will be doing for this project. As for chemistry, you will be learning how to continue to use the Periodic Table to find out more information about each element. CLASS MONDAY (9/20 TUESDAY (9/21) WEDNESDAY (9/22) THURSDAY (9/23) FRIDAY (9/24) Math: Polygons Sketch #2 Math: triangles types of triangles; properties of triangles, angle/side relationship Math: ALEKS help session (get help on whatever you need help with in class) Math: angles in polygons Math: Quiz; Review of parallel and perpendicular lines Chem: How to draw atoms Chem: isotopes Chem: metals, non-metals, metalloids Chem: periodic table families Chem: periodic table families p. 3-6 work on ALEKS p work on ALEKS Create a vocabulary chart for the terms assigned in class; do pages Study for quiz on Friday p study for your quiz on friday p your ALEKS total needs to be 2.5 hours by Sunday 1

2 RULES 1. protons (+) and neutrons (o) go in the 2. For electrons (-), fill up the level, then the, then the level. 3. Electrons like to be and then (like on a bus) 4. The 1 st level can only have electrons The 2 nd level can only have electrons The 3 rd level can only have electrons. ***NOTE: this method is only a model it doesn t work well for all situations Using these rules, try draw the following: 1. He protons neutrons electrons 2 He Helium 2. N protons neutrons electrons 3 Li Lithium 2

3 Polygons A. Draw an example of each polygon: 1. quadrilateral 2. octagon B. Classify the following types of polygons. Assume that all sides are straight C. Name each polygon (using the points) C3 D. 3

4 E. F. 4

5 Drawing Atoms Practice 1. 1 H Hydrogen 1.09 p n e 2. 4 Be Beryllium 9.01 p n e 3. 6 C Carbon p n e 5

6 4. 10 Ne Neon p n e Al Aluminum p n e P Phosphorus p n e 6

7 Penny Lab (Isotopes) Fill in this table by recording the year of the penny and its weight. Year of the Penny Mass (g) Try to notice a pattern in the year of the pennies and the weight. What do you see? NOTES: How this relates to atoms: Examples: Chlorine- 37 Chlorine-35 7

8 Isotope Practice Today, we re going to learn about isotopes. Remember the Periodic Table of Elements? We learned that there are different types of elements or atoms that have their own number of protons, neutrons and electrons. But what you don t know is that elements come in DIFFERENT FORMS! (For example, Carbon actually has 3 forms). We re going to look at 2 of them below. EX: REMEMBER Atoms are made up of: Carbon-12 THAT S why the atom s mass is a number like its an average! Carbon-14 protons neutrons Protons neutrons How are Carbon-12 and Carbon-14 the same? (look at the protons). How are they different? Isotopes: two forms of the same element (because they have the same number of!) with different numbers of NEUTRONS 8

9 Different Neutrons?! We just learned that isotopes are different forms of the same element (because they have the same number of ) but have different numbers of. Now, how does having a different number of neutrons affect an atom? Remember that atomic mass is how much an atom weighs and also tells us the number of and. If the number of neutrons is different in isotopes, then the atomic mass will also be different. Since isotopes have different numbers of neutrons, we now have to learn how to find out the number of neutrons, protons and electrons for the isotopes. Example: Carbon comes in 3 forms. Carbon-12, Carbon-13, Carbon-14. To find the NEW number of neutrons for a Carbon-14 isotope, follow these steps: 1.) Look at the periodic table at Carbon. Find the number of protons and electrons. protons electrons. 2.) Instead of using the atomic mass from the periodic table, use the mass attached to the end of the number to find the number of neutrons. 6 C Carbon Don t use atomic mass of Instead, use the number at the end, which is 14 Carbon-14 So to find neutrons 14 6 (# of protons) = 8 neutrons 9

10 Isotope Practice Find the NEW atomic mass and NEW # of neutrons, and use the periodic table to find the # of protons and electrons. 1. Carbon-13 atomic mass # of protons # of electrons # of neutrons 2. Carbon-14 atomic mass # of protons # of electrons # of neutrons 3. Boron-10 atomic mass # of protons # of electrons # of neutrons 4. Boron-11 atomic mass # of protons # of electrons # of neutrons 5. Boron-12 atomic mass # of protons # of electrons # of neutrons 6. Hydrogen-1 atomic mass # of protons # of electrons # of neutrons 7. Hydrogen-2 atomic mass # of protons # of electrons # of neutrons 8. Hydrogen-3 atomic mass # of protons # of electrons # of neutrons 9. Oxygen-13 atomic mass # of protons # of electrons # of neutrons 10. Oxygen-14 atomic mass # of protons # of electrons # of neutrons 11. Oxygen-15 atomic mass # of protons # of electrons # of neutrons 10

11 Triangles A. Match the term with the picture on the right. 1. Equilateral Triangle 2. Scalene right triangle 3. Isosceles right triangle 4. Isosceles obtuse triangle B. Sketch and label the figure. Mark the picture you draw with symbols to indicate congruent sides and angles. 1. Isosceles acute triangle ACT with AC = CT 2. Scalene triangle SCL with angle bisector segment CM. 3. Isosceles right triangle CAR with m CRA = 90. C. Use the graph below to help you answer the question. 1. Where can point L be so that LRY is an isosceles triangle? 2. Where should point O be so that MOE is an isosceles right triangle. 11

12 D. E. F. 12

13 G. 13

14 METALS, NON-METALS, METALLOIDS Name and describe the characteristics of METALS Give me 2 examples of metals: Name and describe the characteristics of NON-METALS Give me 2 examples of non-metals What are metalloids? 14

15 Directions: Your assignment is to use the characteristics of metals to make a story or comic strip about a superhero. You must include the following: Metal Superhero who has the powers of ductility, malleability, luster, conducting electricity and heat A Non-metal bad guy (the arch nemesis or rival of your metal superhero!) You will get points for including the following things: Metal Characteristics: luster ductility malleability conducts electricity and heat Non-metal Characteristics: brittle (breaks easily) not good at conducting heat Originality/Grammar creative colorful spelling and grammar correct 15

16 16

17 Angles in Polygons A. B. Find the measure of A C. Find the measure of an interior angle of the regular polygon. 17

18 D. Find the value of x. E. 18

19 Name: Date: Period: Directions: Today, we are going to learn about families on the periodic table. Please follow each step! Part 1: The Simpsons Family What do all the Simpsons Family characters have in common with each other? List 5 similarities. Part 2: Thinking back to the Bubble Family. I want you to think back to the Bubble Family Activity and answer these questions: 1.) How did you organize the Bubble Family Members? 2.) What did you notice about the family members when you went from the top of the Bubble Family to the bottom? 3.) How do you think the groups (remember they go UP AND DOWN) of the Periodic Table are similar to the groups ( UP AND DOWN) of the Bubble Family? 19

20 Part 3: Periodic Table Regions The periodic table is divided into three different regions based on their physical and chemical properties. Go to this website: to investigate. What are those 3 regions? Next, take 3 different colored pencils and color the three regions on your periodic table. What are the characteristics of metals? What are the characteristics of non metals? What are metalloids? Part 4: Looking at the Periodic Table Families We are now going to examine some of the families that we can find on the Periodic Table and see what they have in common with each other. Go to the website: 1.) What are some examples of family names on the Periodic Table? a. b. 20

21 c. d. e. 2.) How are the elements grouped into families? 3.) How do periodic table families different from each other? Part 5: Alkali Metals Click on Alkali Metals on the right side of the website (or go to The first family we are going to look at today is the Alkali Metal Family. 1.) Color and label this family on your periodic table. Use the green colored pencil. 2.) Look at the section Family Portrait. Is Hydrogen included in this family? Why or why not? 3.) Look at the first paragraph under Family Bonding. Are these elements reactive or not? Why? 4.) Look at the last paragraph under Family Bonding. What do all alkali metals have in common? 5.) Take a look at lithium and sodium. Draw the electrons for each of this atoms: What do you notice that lithium and sodium have in common about their electrons? Part 6: Alkali Earth Metals. Click on Alkali Earth Metals on the right side of the website (or go to 1.) Color and label this family on your periodic table. Use the purple colored pencil. 21

22 2.) Are alkali earth metals reactive or not? Why or why not? (Look at the first paragraph of Family Portrait. 3.) In every day life, where are alkali earth metals found? (look at the last paragraph). 4.) Draw the electrons for Be and Mg. What do Be and Mg have in common about their electrons? Part 7: Transition Metals Click on Transition Metals on the right side of the website or go to 1.) Color and label this family on your periodic table. Use the yellow colored pencil. 2.) What s so special about Transition Metals? (Look at the 2nd paragraph under What s so Special?) 3.) Prove that transition metals are special by drawing the electrons for Scandium (21). Is the website correct? 22

23 Part 8: Halogen Family Click on Halogen Family on the right side of the website or go to 1.) Color and label this family on your periodic table. Use the red colored pencil. 2.) What do we know about their electrons? (Look at the first paragraph in the section called What makes them similar? ) 3.) Are these elements reactive? Why or why not? 4.) Prove this is correct by drawing the electrons for Fl and Cl. Part 8: Inert or Noble Gases 1. Color and label this family on your periodic table. Use the red colored pencil. 2. Why are these elements happy? (Look under the section Why are they happy? ) 3.) Are these elements reactive? Why or why not? 23

24 See if this is correct by drawing the elements He and Ne 4. Write down 2 uses for these types of gases. (Look under Who s in the Family? )

25 25

26 26

27 PERIODIC TABLE FAMILIES What are periodic table families? Fill in the following chart Family 1. alkali metals 2. alkali earth metals 3. transition metals 4. halogens 5. noble or inert gases Group(s) on the table What do we know about their electrons Why do elements in the same periodic table families have similar properties and characteristics? 27

28 28

29 Name: Date: Period: Page#: Most elements from the Periodic Table HATE being alone; in fact, they love to go on dates. Ms. Sodium (Na), who has 1 extra electron, wants to find someone to bond with. Who would be the best person to date? First of all, let s just confirm that Ms. Sodium (11) only has 1 electron to give away. Let s listen in on the Element Dating Show! Announcer: Hi! Welcome to the Element Dating Show! I m your host, Mr. Periodic. Here tonight, I have some sexy elements with me who are waiting to meet their match. Let s go ahead and meet our first contestant, Ms. Sodium. Ms. Sodium is an element who has soft, silvery white hair and loves to hang out at the beach and jump the waves. Ms. Sodium, how are you doing tonight? Ms. Sodium: Pretty well! I just want to give a shout out to my family members, the Alkali Metals! And especially to my sisters, Potassium and Lithium. Hi Po! Hi Li! Announcer: Now Ms. Sodium, you re a pretty girl. How come you haven t bonded yet? Ms. Sodium: Well Mr. Periodic, I m just waiting for that perfect element. I only have 1 available electron and I want to make sure I give it away to someone special. 29

30 Announcer: Well maybe that special someone is here tonight! Let s meet our first four element bachelors! Announcer: Our first bachelor is Mr. Carbon! Mr. Carbon: Hi! Announcer: Mr. Carbon has lived all over the world! He enjoys traveling, racing cars and camping. Our 2 nd bachelor is Mr. Chlorine. He is a professional swimmer who s hoping to compete in the upcoming Olympics! Mr. Chlorine: Hi Ms. Sodium! Thanks for letting me be on this show! Our 3 rd bachelor is Mr. Oxygen. Mr. Oxygen likes to hike up high mountains as well as scuba dive in the ocean. Hi Mr. Oxygen, how are you doing today? Mr. Oxygen: I m feeling good! Thanks for asking Mr. Periodic. Announcer: And our last bachelor is Mr. Neon. Mr. Neon loves the bright lights of clubs and bars. He loves sleeping in during the morning and partying hard at night! How do you like it out here Mr. Neon? Mr. Neon: It s a happening place! Announcer: Now that we ve met all our bachelors, let s begin the game! Ms. Sodium has prepared some questions to ask our single elements based. Elements, just answer the questions the best you can and we ll see who wins Ms. Sodium s heart! Based on their number of electron spaces, Ms. Sodium needs to figure out which element (Mr. Carbon, Mr. Chlorine, Mr. Oxygen and Mr. Neon) is the perfect guy for her. One of these men likes to be a LONER, another is a PLAYER, another is TWO-WOMEN type of guy and the last is the perfect DATE for Ms. Sodium. Figure out which element is perfect for Ms. Sodium. 30

31 Element How many electrons does he want? Type of Element Why? Mr. Carbon (6) Mr. Chlorine (17) Mr. Oxygen (8) Mr. Neon (10) 31

32 Parallel & Perpendicular Lines A. B. 32

33 C. D. 33

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