Chemistry CBA Review

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Chemistry CBA Review
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1. How many total atoms are in AgCl3Cu2?

1. 4
2. 5
3. 6
4. 7

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2. How are elements organized on the periodic
table?

1. Metals on left, Nonmetals on right
2. Nonmetals on left, Metals on right
3. Gases on left
4. Metalloids in groups 3-12

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3. Covalent bonds involve

1. Transfer of electrons
2. Really strong forces
3. Creation of ions
4. Sharing of electrons

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4. Which tool best measures the mass of a liquid?

1. Graduated cylinder
2. Scale
3. Metric ruler
4. Triple-beam balance

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5. Which property of a baseball would be
different on the moon?

1. Volume
2. Weight
3. Mass
4. Density

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6. Which of the following describes only a
physical change?

1. An iron tool turning red due to rust
2. A leaf in the fall turning yellow as
   photosynthesis stops
3. A snowball melting in someones hand
4. A piece of wood turning black in a fire

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7. Which of the following is not a mixture?

1. Water
2. Air
3. Lemonade
4. Pool water

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8. Which of the following is NOT a property of a
metal?

1. Solid at room temperature
2. Ductility
3. Malleability
4. Good insulator

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9. If 100 grams of H2O decomposes into hydrogen
and oxygen, which of the following must be true?

1. There will be 50 grams of hydrogen and 40 grams
   of oxygen
2. There will be 50 grams of hydrogen and 50 grams
   of oxygen
3. There will be 25 grams of hydrogen and 25 grams
   of oxygen
4. There will be 40 grams of hydrogen and 50 grams
   of oxygen

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10. An elements mass number is the number of
___________ in its atoms.

1. Protons and electrons
2. Electrons and neutrons
3. Protons only
4. Protons and neutrons

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11. The part of an experiment that the scientist
manipulates is the

1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group

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12. The part of an experiment that the scientist
measures is

1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group

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13. The part of an experiment that the scientist
uses for comparison is

1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group

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14. The part of an experiment that the scientist
keeps consistent for all is

1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group

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15. This is the term for what is formed when two
or more atoms chemically combine.

1. Element
2. Compound
3. Molecule
4. Mixture

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16. This is the term for what is formed when two
or more elements chemically combine.

1. Element
2. Compound
3. Molecule
4. Mixture

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17. What are the two most reactive families on
the periodic table?

1. Halogens and Alkaline Earth Metals
2. Alkaline Earth Metals and Alkali Metals
3. Alkali Metals and Halogens
4. Halogens and Noble Gases

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18. When atoms combine in an ionic bond

1. The resulting particles are positively charged
2. The resulting particles are negatively charged
3. The resulting particles are neutral in charge
4. The resulting particles share electrons

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19. This is the number of valence electrons of
the elements in the carbon family.

1. 4
2. 5
3. 6
4. 7

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20. These are the reacants of photosynthesis.

1. Glucose and Water
2. Carbon Dioxide and Glucose
3. Water and Carbon Dioxide
4. Oxygen and Water