Untitled - Kelly Walsh High School

28 CHEMISTRY FOR THE UTTERLY CONFUSED
20. Complete the following table
Na K Mn2 23
40
53
11
19
25 ___ ___
Protons 11 ___ ___ 54 ___
Neutrons ___ ___ ___ ___ 42
Electrons ___ 18 ___ ___ ___
Charge 0 1 ___ 0 3
Mass number 23 ___ ___ 130 75
21. Name each of the following compounds.
a. Na 2S b. MgCl 2 c. AlF 3 d. CuO e. KH
22. Give the formula of each of the following compounds.
a. calcium chloride b. sodium oxide c. aluminum nitride
d. iron(II) fluoride e. iron(III) fluoride
23. Name each of the following compounds.
a. NO 2 b. CO c. H 2S d. Cl 2O 5 e. CH 4
24. Give the formula of each of the following compounds.
a. hydrogen chloride b. sulfur dioxide c. sulfur trioxide
d. dinitrogen pentoxide e. ammonia
25. Name each of the following compounds.
a. NaNO 3 b. K 2CO 3 c. CaSO 4 d. (NH 4) 3PO 4 e. Fe(NO 2) 2
26. Give the formula of each of the following compounds.
a. sodium phosphate b. ammonium bicarbonate c. magnesium nitrite
d. copper(I) chloride e. iron(III) oxide
27. Name each of the following acids.
a. HF b. HNO 3 c. H 3PO 4 d. H 2CO 3 e. H 2SO 4
28. Give the formula of each of the following acids.
a. nitrous acid b. hydrosulfuric acid c. sulfuric acid
d. hydrochloric acid e. nitric acid
29. Locate each of the following elements on the periodic table and label it as
a metal or a nonmetal.
a. Cs b. Ra c. Tl d. P e. Se f. I
30. Based on their positions on the periodic table assign charges to the ions that
the elements in question 29 might form.
ANSWER KEY
1. neutron 2. electron 3. metals 4. periods 5. cations 6. true
7. false 8. false 9. false 10. a 11. c 12. b 13. d 14. a 15. d
16. f 17. e 18. d 19. c