Title: 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
1Which 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
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2Which of the following is an alkaline earth metal?
- Zr
- Sn
- Ca
- Li
- Th
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3The "eka-silicon" of Mendeleev is now known as
______________.
- phosphorus, P
- zirconium, Zr
- tin, Sn
- germanium, Ge
- gallium, Ga
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4Which one of the following is a strong acid?
- HClO
- (COOH)2
- H3PO4
- HSO3-
- H2SO4
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5Which one of the following is an insoluble base?
- RbOH
- Ba(OH)2
- Al(OH)3
- LiOH
- KOH
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6Which one of the following salts is insoluble in
water?
- Ca3(PO4)2
- Pb(CH3COO)2
- Al(NO3)3
- FeBr3
- Na2CO3
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7Which response includes all of the following
compounds that are insoluble in water, and no
others?I. Mg3(PO4)2II. MgSO4III. NaCNIV.
Ni(ClO4)2V. HCN
- I
- I, II, and IV
- III, IV, and V
- IV and V
- I, II, and V
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8Which one of the following is not a strong
electrolyte?
- HBr
- Sn(OH)2
- KMnO4
- Ba(OH)2
- NaBrO3
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9What is the net ionic equation for the following
formula unit equation? CH3COOH(aq) NaOH(aq)
image NaCH3COO(aq) H2O(l)
- CH3COO-(aq) H(aq) Na(aq) OH-(aq) image
NaCH3COO(aq) H2O(l) - CH3COO-(aq) H(aq) Na(aq) OH-(aq) image
NaCH3COO-(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)
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10Determine the oxidation number of the underlined
element in image .
- 1
- -3
- 3
- -5
- 5
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11What are the oxidation numbers (oxidation states)
of the elements in H3PO4?
- H 1, P 7, O -2
- H 1, P 11, O -2
- H 3, P 5, O -2
- H 1, P 5, O -2
- H 3, P 4, O -8
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12What 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-
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13Which of the following reactions is not a
combination reaction?
- 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)
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14Which 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
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15Write 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
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16Write 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
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17Classify 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
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18Which 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
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19Which 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
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