Ch1 Matter and Change. Ch1 Section Is an extensive property or an intensive property the same as a physical property?

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1 Midterm Review Ch1 Matter and Change Ch1 Section 2 1. What is an atom? 2. What is an element? 3. What are 3 extensive properties? 4. Name 4 intensive properties? 5. Is an extensive property or an intensive property the same as a physical property? 6. What are the differences between and physical change and a chemical change? 7. What is a precipitate? 8. What is the difference between a homogeneous mixture and a heterogeneous mixture? 9. Give an example of each "#$%&'(" )

2 10. What are the differences among: pure substances, mixtures and compounds? Pure substances Mixtures Compounds 11. Give 3 examples of each 12. Name 3 experimental ways to separate mixtures Ch2 Measurement and Calculation Ch 2 Section 1Scientific Method 13. The process researchers use to investigate is called. 14. Name 5 steps in the process, named above: 15. The specific steps used in an experiment depends upon what factors: "#$%&'("

3 16. Name 3 types of variables are in an experiments grams is an example of data. 18. A heavy sample is an example of data 19. When are theories considered successful? 20. Look at the graph on page 30, what is causing the most growth? What is the independent variable? Ch 2 Section 2 Units of Measurement 21. What are the SI units for the following: Time Temperature Mass Volume 22. Express each of the following units in scientific notation converting to meters Centimeters Millimeters Kilometers "#$%&'(" *

4 Ch 2 Section 3Using Scientific Measurement 23. Determine the correct formula and calculate density of an object that has a mass of 300 grams and a volume of 30 ml? 24. How many significant figures are in the following measurements? grams ml.001 Meters 25. What are the significant figure rules for adding and subtracting significant figures? 26. What are the significant figure rules for multiplying and dividing significant figures? 27. What is the correct answer with the appropriate significant figures for calculating the volume of a rectangle whose Length is 1.5 mm and Height is 0.5 mm and Width is 2.0 mm?(use the correct units) "#$%&'(" +

5 Ch3, Section What are Dalton s 5 postulates? 29. Which of the postulates are different than the Modern atomic theory? 30. What is the law of definite proportion and give an example of it? 31. What is the law of conservation of mass? 32. Because of the above law, what would you expect about the mass of the reactants and the mass of the products in a chemical reaction? Ch 3, Section2 33. What scientist did the Gold foil experiment and what was discovered? "#$%&'(",

6 Ch3, section What is the average atomic mass? 35. What is the mass number? 36. What is the mass number of argon40? 37. How many proton, neutrons and electrons are in argon20? 38. How do you draw a Bohr model of Nitrogen? 39. How many valence electrons does it have? 40. What is a photon? Chapter 4 Arrangement of Electrons Section 1The New Atomic Model 41. What is the photo electric effect? 42. What is the speed of light? 43. How do you calculate frequency in Hz, when wavelength is 400 x 10 " meters? "#$%&'("

7 44. Be able to rank the types of electromagnetic radiation from the lowest to the highest frequencies? 45. What is the definition of a wavelength and a frequency? 46. According to Einstein, electromagnetic radiation can act as a wave and like a. Ch4, Section What is the principal quantum number? 48. How many orientations does an s orbital have? Chapter 4, section3 49. What is the Aufbau principle and how would you apply it to electron configurations of Carbon? 50. What is the Pauli exclusion principle and how do you apply it to orbital configuration of Boron? "#$%&'(".

8 51. What is Hund s rule and how do you apply it to orbital configuration of Nitrogen? " 52. What is the Noblegas configuration for Sodium? 53. What is the highest occupied energy level of Calcium? 54. In which block in the Periodic Table is Scandium found? Chapter 5 the Periodic Law Section 1 History 55. Who arranged the Modern Periodic table? 56. How is it arranged? Section What are the family names for the following Groups? What are a few of each of the families properties? Group 1 Group 2 Group 17 Group 18 Ch 5, Section 3 "#$%&'(" /

9 58. List the order of elements from least to greatest atomic radius 59. Fluorine, oxygen, sodium 60. List the order of the elements above in order of least to greatest ionization energy. Chapter What are valence electrons? 62. Where are nonmetals in the periodic table? 63. How many electrons are shared in a single bond? 64. If an alkali metal and a halogen bond, what type of bond would you predict that it has? 65. Draw the Lewis dot structure for Carbon monoxide? "#$%&'(" 0

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