1. Grade 10 Science – Unit 2 – Chemistry – Chemical Bonding Chemical Formula Molecular Compounds Periodic Table WHMISBalancing Equations 11111 22222 33333 44444 55555

2. Potassium sulfate

3. What is K 2 SO 4 ?

4. Al 2 O 3

5. What is Aluminum oxide?

6. Phosphate ion

7. What is PO 4 -3 ?

8. Na 3 PO 4

9. What is Sodium phosphate?

10. Phosphorus pentafluoride

11. What is PF 5 ?

12. It is used as a window cleaner. Its chemical formula is NH 3

13. What is Ammonia?

14. An ion made up of one or more atom that acts as a single particle.

15. What is a POLYATOMIC ION?

16. A bond that results from the sharing of outer electrons between non-metal atoms

17. What is a COVALENT BOND?

18. The chemical formula for Cu(NO 3 ) 2

19. What is Copper(II)nitrate?

20. The ability to attract and hold electrons

21. What is ELECTRON AFFINITY?

22. The Group of metals that are highly reactive and have only one valence electron in their outer shell

23. What are ALKALI METALS?

24. A row of elements in the Periodic Table

25. What is PERIOD?

26. The elements of Group 18 that are the most stable elements (i.e., they all have full outer shells of electrons)

27. What are NOBLE GASES?

28. A diagram or illustrative model showing the arrangement of electrons in orbits around the nucleus of an atom

29. What is BOHR-RUTHERFORD DIAGRAM?

30. Most of an element’s volume

31. What is EMPTY SPACE?

32. The full name of WHMIS

33. What is WORKPLACE HAZARDOUS MATERIALS INFORMATION SYSTEM?

34. Full name of MSDS

35. What is MATERIALS SAFETY DATA SHEET?

36. This class includes compressed gases, dissolved gases, and gases liquefied by compression or refrigeration.

37. What is COMPRESSED GAS?

38. This class includes caustic and acid materials that can destroy the skin or eat through metals. Examples are sodium hydroxide, hydrochloric acid, nitric acid

39. What is CORROSIVE MATERIAL?

40. This class includes solids, liquids, and gases capable of catching fire in the presence of a spark or open flame under normal working conditions.

41. What is FLAMMABLE or COMBUSTIBLE MATERIAL?

42. K + O 2 →

43. What is 4K + O 2 → 2K 2 O?

44. SnO 2 + H 2 →

45. What is SnO 2 + 2H 2 → Sn + 2H 2 O?

46. This is a combustion reaction (i.e., burning) that produces carbon dioxide and water C 3 H 8 + O 2 →

47. What is C 3 H 8 + 5O 2 → 4H 2 0 + 3CO 2 ?

48. H 2 SO 4 + Fe → Fe 2 (SO 4 ) 3 + H 2

49. What is 3H 2 SO 4 + 2Fe → Fe 2 (SO 4 ) 3 + 3H 2 ?

50. HNO 3 + Al(OH) 3 →

51. What is 3HNO 3 + Al(OH) 3 → Al(NO 3 ) 3 + 3H 2 O?