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1 | |
What is the formula for lead (II) nitrate? |
| | A) | Pb(NO3)2 |
| | B) | Pb(NO2)2 |
| | C) | Pb2NO3 |
| | D) | Pb2NO2 |
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2 | |
What is the formula for calcium phosphate? |
| | A) | Ca3(PO4)2 |
| | B) | CaPh |
| | C) | Ca3(PO3)2 |
| | D) | Ca3(PO2)2 |
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3 | |
What is the formula for sodium sulfate? |
| | A) | Na2SO |
| | B) | Na2SO4 |
| | C) | Na2SO3 |
| | D) | Na2SO2 |
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4 | |
What is the name of PbI2? |
| | A) | lead (II) iodine |
| | B) | lead iodide |
| | C) | lead (II) iodide |
| | D) | lead iodine |
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5 | |
What is the name of LiH? |
| | A) | hydrolithium |
| | B) | lithium hydride |
| | C) | hydrolithic |
| | D) | lithium hydrogen |
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6 | |
What is the name of KOH? |
| | A) | potassium hydroxide |
| | B) | potassium oxide |
| | C) | potassium hydrogen oxide |
| | D) | potassium hydroxygen |
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7 | |
Which of the following groups is the most chemically reactive? |
| | A) | alkali metals |
| | B) | alkaline earth metals |
| | C) | transition metals |
| | D) | lactanide |
| | E) | actinides |
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8 | |
Which phrase best describes the type of compound that typically forms when an alkali metal reacts with a nonmetal? |
| | A) | covalent gases |
| | B) | ionic gases |
| | C) | covalent solids |
| | D) | ionic solids |
| | E) | ionic solutions |
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9 | |
Which of the following statements about nonmetals is incorrect? |
| | A) | When a metal and nonmetal combine, an ionic bond forms. |
| | B) | Nonmetals tend to gain electrons, rather than lose them. |
| | C) | It is favorable for most nonmetals to form cations. |
| | D) | When two or more nonmetal atoms combine, a covalent bond forms. |
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10 | |
What substance is produced by the following reaction: __Ni (s) + __O2 (g) ->? |
| | A) | 2 NiO (s) |
| | B) | NiO2 (s) |
| | C) | 2 NiO (s) |
| | D) | NiO2 (g) |
| | E) | 2 NiO (g) |
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11 | |
The term to describe two different forms of the same element that are in the same state, such as ozone and dioxygen, is _____. |
| | A) | allotrope |
| | B) | isomer |
| | C) | enantiomer |
| | D) | isotope |
| | E) | palendrome |
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12 | |
Which of the following charges does not match as a possible charge for either Ba, Al, or O? |
| | A) | +3 |
| | B) | +2 |
| | C) | -2 |
| | D) | +4 |
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13 | |
The general trend for electronegativity on the periodic table is |
| | A) | decreasing from left to right and from top to bottom. |
| | B) | increasing from left to right and from top to bottom. |
| | C) | decreasing from left to right and increasing from top to bottom. |
| | D) | increasing from left to right and decreasing from top to bottom. |
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14 | |
Arrange the following elements in order of increasing electro negativity: S, O, F, and Zn |
| | A) | S < O < F < Zn |
| | B) | Zn < F < S < O |
| | C) | Zn < S < O < F |
| | D) | F < O < S < Zn |
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15 | |
Identify the group which contains ions that each have correct oxidation numbers. |
| | A) | O2-, F-, N3-, Na+ |
| | B) | Sr3+, C-, Li+, Al3+ |
| | C) | Br-, Mg2+, Al2+, Se2- |
| | D) | Ca2+, I2-, S2-, Cs+ |
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16 | |
Select the correct bonding type for SO2 |
| | A) | ionic |
| | B) | molecular covalent |
| | C) | network covalent |
| | D) | metallic |
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17 | |
Which of the following is a polar molecule? |
| | A) | CCl4 |
| | B) | H2O |
| | C) | CO2 |
| | D) | H2Be |
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18 | |
Which statement is not true about oxidation numbers? |
| | A) | The oxidation number of an element in its elemental form is zero. |
| | B) | The oxidation number of a monatomic ion is the same as its charge. |
| | C) | The sum of the oxidation numbers equals zero for neutral compounds. |
| | D) | The sum of the oxidation numbers equals zero for polyatomic ions. |
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19 | |
The oxidation number of phosphorus in K3PO4 is |
| | A) | -3. |
| | B) | +3. |
| | C) | +5. |
| | D) | +7. |
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20 | |
What does it mean when a molecule is said to be polar? |
| | A) | One end of the molecule is slightly negative while the other end is slightly positive. |
| | B) | Both ends of the molecule are slightly positive. |
| | C) | Both ends of the molecule are slightly negative. |
| | D) | The molecule is neutral. |
| | E) | The difference in electronegativities is zero. |
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