1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 GROUP 1 GROUP 2GROUP 3GROUP 4GROUP 5

2. The name given the elements in Group 1 on the periodic table.

3. Alkali Metals

4. The name given the type of bond formed when two atoms share electrons.

5. Covalent Bond

6. Increasing the temperature of a fluid will (increase/decrease) the fluids viscosity.

7. Decrease

8. The greater the density of a fluid, the (greater/lesser) the fluid’s buoyant force.

9. Greater

10. The elements in Group 15 have ____ valence electrons.

11. Five

12. A fluid with a (high/low) viscosity will pour slowly.

13. High

14. To calculate the density of a substance, you must know the ____ and ______ of the substance.

15. Mass and volume

16. Elements in group (3 or 16) will most readily accept electrons.

17. 16

18. The solubility of (gases/liquids/solids) is most affected by pressure.

19. Gases

20. Elements in the same (group/period) display similar physical and chemical properties.

21. Group

22. In a solution, the ____ is the material in which another substance is dissolved.

23. Solvent

24. A/An _____ is a substance that produces hydrogen ions (H + or H 3 O + ) in solution.

25. Acid

26. A ________ is formed when substances are combined without uniting chemically.

27. Mixture

28. The density of water equals _______ g/ml.

29. 1.0

30. A substance that forms ions in water and conducts electricity is called a/an ________.

31. Electrolyte

32. In a solution, the _______ is the substance that dissolves.

33. Solute

34. A ______ is a substance that releases hydroxide ions (OH - ) in a solution.

35. Base

36. The elements in Group ___ will most likely react with the element Ca.

37. 16

38. If an object has a lesser density than the fluid it is dropped into, the object will (float/sink).

39. Float

40. ___ NaCl + ___ F 2 ___NaF + __Cl 2 Balance the above equation.

41. 2,1,2,1

42. A/An ____ bond is formed between atoms when they lose or gain electrons and form positively or negatively charged particles.

43. Ionic

44. A molecule that has a positive region at one end and a negative region at the other end is called a ____ molecule.

45. Polar

46. On the pH scale, an acid has a pH of _____ to ____ and a base has a pH of _____ to _____.

47. 1-6, 8-14