1. I, II, and III II and III I and IV II and IV none of these answers
Which response includes all of the following that are properties of most nonmetals, and no other properties? I. Outer electronic shells contain four or more electrons. II. They tend to form positive ions. III. They are more likely to form ionic compounds than covalent compounds when they combine with other nonmetals. IV They have high electronegativities.
I, II, and III
II and III
I and IV
II and IV
none of these answers 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

2. Which of the following is an alkaline earth metal?Zr Sn Ca Li Th 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

3. The "eka-silicon" of Mendeleev is now known as ______________.
phosphorus, P
zirconium, Zr
tin, Sn
germanium, Ge
gallium, Ga 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

4. Which one of the following is a strong acid?
HClO
(COOH)2
H3PO4
HSO3-
H2SO4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

5. Which one of the following is an insoluble base?
RbOH
Ba(OH)2
Al(OH)3
LiOH
KOH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

6. Which one of the following salts is insoluble in water?
Ca3(PO4)2
Pb(CH3COO)2
Al(NO3)3
FeBr3
Na2CO3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

7. I I, II, and IV III, IV, and V IV and V I, II, and V
Which response includes all of the following compounds that are insoluble in water, and no others? I. Mg3(PO4)2 II. MgSO4 III. NaCN IV. Ni(ClO4)2 V. HCN I
I, II, and IV
III, IV, and V
IV and V
I, II, and V 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

8. Which one of the following is not a strong electrolyte?
HBr
Sn(OH)2
KMnO4
Ba(OH)2
NaBrO3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

9. What is the net ionic equation for the following formula unit equation
What is the net ionic equation for the following formula unit equation? CH3COOH(aq) + NaOH(aq) {image} NaCH3COO(aq) + H2O(l) 1.
CH3COO-(aq) + H+(aq) + Na+(aq) + OH-(aq) {image} NaCH3COO(aq) + H2O(l)
CH3COO-(aq) + H+(aq) + Na+(aq) + OH-(aq) {image} Na+CH3COO-(aq) + H2O(l)
CH3COOH(aq) + Na+(aq) + OH-(aq) {image} Na+(aq) + CH3COO-(aq) + H2O(l)
CH3COOH(aq) + OH-(aq) {image} CH3COO-(aq) + H2O(l)
CH3COOH(aq) + Na+(aq) + OH-(aq) {image} NaCH3COO(aq) + H2O(l) 2. 3. 4. 5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

10. Determine the oxidation number of the underlined element in {image} .+1 -3 +3 -5 +5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

11. What are the oxidation numbers (oxidation states) of the elements in H3PO4?1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

12. What is the oxidizing agent in the following reaction
What is the oxidizing agent in the following reaction? 16H+(aq) + 2MnO4-(aq) + 10SO42-(aq) {image} 2Mn2+(aq) + 5S2O82-(aq) + 8H2O(l) H+
MnO4-
SO42-
Mn2+
S2O82- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

13. Which of the following reactions is not a combination reaction?1.
2H2(g) + O2(g) {image} 2H2O(l)
2Li(s) + Cl2(g) {image} 2LiCl(s)
SO2(g) + H2O(l) {image} H2SO3(l)
2PbO(s) + O2(g) {image} 2PbO2(s)
Ca(s) + 2HCl(aq) {image} CaCl2(aq) + H2(g) 2. 3. 4. 5. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

14. Which response includes all of the following that are displacement reactions, and no other reactions? I. MgSO3(s) {image} MgO(s) + SO2(g) II. 2H2O2(l) {image} 2H2O(l) + O2(g) III. 2K(s) + H(g) {image} 2KH(s) IV. Mg(s) + 2HBr(aq) {image} MgBr2(aq) + H2(g)
I and IV
I and II
II and IV
III and IV IV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

15. Write the formula unit equation for the reaction of the appropriate acid and base to produce the salt Mg(CH3COO)2. What is the sum of all coefficients? (Do not forget coefficients of one.) 8 10 12 4 6 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

16. Write the net ionic equation for the reaction of the acid and base needed to produce calcium carbonate. What is the sum of the coefficients? (Do not forget coefficients of one.) 6 7 3 4 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

17. Classify the following reaction by giving all of these reaction type(s) that apply. I. redox II. combination III. decomposition IV. displacement V. metathesis BaO(s) + H2O(l) {image} Ba(OH)2(aq)
only I
only II
only III
only IV
II and III 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

18. Which of the following matched pairs of name and formula has an error
Which of the following matched pairs of name and formula has an error? Formula / Name
NaClO3 / sodium chlorate
NaNO2 / sodium nitrite
NaHSO4 / sodium hydrogen sulfate
Na2SeO4 / sodium selenite
Na3PO4 / sodium phosphate 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50

19. Which of the following matched pairs of name and formula has an error
Which of the following matched pairs of name and formula has an error? Formula / Name
CuBr / cuprous bromide
Fe2O3 / iron(III) oxide
Cu(NO3)2 / copper(II) nitrate
SnO2 / tin(II) oxide
SnCl2 / stannous chloride 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50