1. Anatomy of
an Atom
Classifying
Matter
Phase
Changes
Properties of
Matter
Chemical or
Physical
Change?
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2. Which subatomic particle is neutral?

3. Neutron

4. Which two subatomic particles make up the nucleus?

5. Protons and Neutrons

6. What do we call an atom that has gained or lost electrons?

7. Ion

8. What do we call an atom that has gained electrons? (be specific!!)

9. anion

10. Isotopes have the same atomic number but a different what?

11. Mass Number

12. What two things must something have to be considered matter?

13. Mass and volume

14. How are pure substances combined?

15. Chemically

16. Which of the following is not a pure substance
Which of the following is not a pure substance? compound, mixture, element or molecule

17. mixture

18. Matter that is physically combined and non-uniform throughout is?

19. Heterogeneous mixture

20. What is the smallest unit of a substance that still has the same chemical properties of the substance itself?

21. Molecule

22. Which state of matter has the least amount of heat energy?

23. Solid

24. Which state of matter has the most amount of heat energy?

25. Plasma

26. What is temperature?

27. A measure of the amount of kinetic energy in an object.

28. As heat energy increases, what decreases?

29. Intermolecular forces

30. How do a solid and liquid differ? (give a detailed answer!)

31. Solid: least amount of heat energy, strongest intermolecular forces, definite volume and shape. Liquid: More heat energy than a solid, weaker intermolecular forces, definite volume but no definite shape.

32. What is the freezing point of water in Celsius?

33. 0 degrees

34. What is the condensation point of water in Fahrenheit?

35. 212 degrees

36. How do you determine if the temperature you are referencing is the melting point or freezing point of a substance?

37. Cooling down? freezing point Heating up? melting point

38. What kind of property is reactivity and flammability?

39. Chemical

40. What must happen for a chemical change to take place?

41. A new substance is formed.

42. Sharpening your pencil

43. physical change

44. Ice melting

45. physical change

46. A bicycle rusting

47. chemical change

48. Using oil to make plastic spoons

49. chemical change

50. Using water to make Hydrogen fuel

51. chemical change