2. » What are ions formed from a single atom called? » Monatomic ions

3. » Name the following: » Li + » Lithium cation

4. » Name the following: » Br - » bromide anion

5. » Name the following: » O 2- » oxide anion

6. » Name the following: » Co 2+ » Cobalt (II) cation

7. » Name the following: » Al 3+ » Aluminum cation

8. » Write the chemical formula for the binary compound: » Zn 2+ and I - » ZnI 2

9. » Write the chemical formula for the binary compound formed between the following elements: » Magnesium and chlorine » MgCl 2

10. » Write the chemical formula for the binary compound formed between the following elements: » Aluminum and sulfur » Al 2 S 3

11. » Write the formula and give the name for the compounds formed between the following ions: » Fe 2+ and O 2- » FeO; iron(II) oxide

12. » Write the formula and give the name for the compounds formed between the following ions: » Fe 3+ and O 2- » Fe 2 O 3 ; iron(III) oxide

13. » Name the following: » CO 3 2- » Carbonate ion

14. » Name the following: » PO 4 3- » phosphate ion

15. » Name the following: » NH 4 + » ammonium ion

16. » Write the formula for: » Tin(IV) sulfate » Sn(SO 4 ) 2

17. » Write the formula for: » Calcium nitrite » Ca(NO 2 ) 2

18. » Give the name of the following compound: » Ca(OH) 2 » Calcium hydroxide

19. » Give the name of the following compound: » KClO » Potassium hypochlorite

20. » Give the name of the following compound: » As 2 O 5 » Diarsenic pentoxide

21. » Give the name of the following compound: » SO 3 » Sulfur trioxide

22. » Write the formula for: » Dinitrogen trioxide »N2O3»N2O3

23. » Name the following acid: » H 2 SO 4 » Sulfuric acid

24. » Name the following acid: » HI » Hydriodic acid

25. » Name the following acid: » HNO 2 » Nitrous acid

26. » Write the formula for the following acid: » Hypochlorous acid » HClO

27. » Write the formula for the following acid: » carbonic acid » H 2 CO 3

28. » Assign oxidation numbers to each atom in the following compounds or ions: » HCl » H +1; Cl -1

29. » Assign oxidation numbers to each atom in the following compounds or ions: » CF 4 » C +4; F -1

30. » Assign oxidation numbers to each atom in the following compounds or ions: » SO 2 » S +4; O -2

31. » Assign oxidation numbers to each atom in the following compounds or ions: » HClO 3 » H +1; Cl +5; O -2

32. » Assign oxidation numbers to each atom in the following compounds or ions: » Sn 2+ » +2

33. » Assign oxidation numbers to each atom in the following compounds or ions: »O2»O2 »0»0

34. » Name the following compounds first using the prefix system, then using the stock system: » CO 2 » Carbon dioxide; » carbon(IV) oxide

35. » Name the following compounds first using the prefix system, then using the stock system: » PCl 3 » Phosphorus trichloride; » phosphorus(III) chloride

36. » Name the following compounds first using the prefix system, then using the stock system: »N2O»N2O » Dinitrogen monoxide; » nitrogen(I) oxide

37. » Find the formula mass of the following compound: » H 2 SO 4 » 98.08 amu

38. » Find the formula mass of the following compound: » Ca(NO 3 ) 2 » 164.10 amu

39. » Find the molar mass of the following compound: » Ba(NO 3 ) 2 » 261.35 g/mol

40. » How many moles of atoms of each element are there in one mole of the following compound: » Ba(NO 3 ) 2 » 1 mol Ba; 2 mol N; 6 mol O

41. » How many moles of atoms of each element are there in one mole of the following compound: » NaNO 3 » 1 mol Na; 1 mol N; 3 mol O

42. » What is the mass in grams of 0.257 mol of calcium nitrate, Ca(NO 3 ) 2 : » 42.2 g

43. » How many moles of compound are there in 6.60g (NH 4 ) 2 SO 4 : » 0.0500 mol

44. » Find the percentage of water in sodium carbonate decahydrate, Na 2 CO 3. 10H 2 0: » 62.98% H 2 0

45. » What is the empirical formula for a compound that contains 32.38% Na, 22.65% S, and 44.99% O? » Na 2 SO 4

46. » Determine the molecular formula of the compound with an empirical formula of CH and a formula mass of 78.110 amu. »C6H6»C6H6

47. » A sample of a compound with a formula mass of 34.00 amu is found to consist of 0.44g H and 6.92g O. Find its molecular formula. »H2O2»H2O2

48. » The empirical formula for trichloroisocyanuric acid, the active ingredient in many household bleaches is OCNCl. The molar mass of this compound is 232.41 g/mol. What is the molecular formula? » O 3 C 3 N 3 Cl 3