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4. Mixtures Chemical Formulas Symbols, Eq. Potpourri 10 Point 20 Points 30 Points 40 Points 50 Points 10 Point 20 Points 30 Points 40 Points 50 Points 30 Points 40 Points 50 Points Phys.\Chem. Changes Elements, Mixtures, Compounds

5. Two elements chemically combined.

6. The two types of mixtures.

7. These can only be broken down by chemical means.

8. These substances can be broken down by physical means.

9. The simplest pure substance.

10. This type of mixture DOES NOT scatter light.

11. Type of mixture that is spread evenly throughout.

12. A tossed salad would be a good example of this type of mixture.

13. The two types of homogeneous mixtures.

14. Toothpaste, whipped cream, suntan lotion and milk are this type of homogeneous mix

15. When a substance evaporates this type of change takes place.

16. Flammability is this type of property.

17. The pH scale is used to measure this property of liquids.

18. Dry ice subliming is an example of this type of change.

19. During a chemical change the products must always be equal to these.

20. Cl, H, Fe, Br, and B are all examples of these (not elements).

21. LiF, NaCl, MgO, are all examples of these (not compounds)

22. Water + Sodium = NaOH + Hydrogen is an example of this.

23. Just like their counterpart in math, in science these must be balanced.

24. This is the name given to the small numbers in a chemical formula.

25. It dissolves something else.

26. The measure of how well something dissolves.

27. Because it has this pH value water is considered neutral.

28. Because battery acid has a ph of around 1 it is considered to be this.

29. In a solution bases give off this type of ion.

30. Make your wager

31. These are three properties of all mixtures.

32. What is a compound?

33. What is a heterogeneous mixture?

34. What are compounds?

35. What is a mixture?

36. What is an element?

37. What is a solution?

38. What is a homogeneous mixture?

39. What is a heterogeneous mixture?

40. What are colloids and solutions?

41. What is a colloid?

42. What is a physical change?

43. What is a chemical property?

44. What is acidity?

45. What is a physical change?

46. What are the reactants?

47. What is a chemical symbol?

48. What is a chemical formula?

49. What is a chemical equation?

51. What is a subscript?

52. What is a solvent?

53. What is solubility?

54. What is 7?

55. What is a strong acid?

56. What are OH-?

57. What are different parts keep properties, can be any amount, and physically sep.?