chemistry cba review february 2010. 1. how many total atoms are in agcl 3 cu 2 ? 1.4 2.5 3.6 4.7 1.4...
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Chemistry CBA Review
February 2010
1. How many total atoms are in AgCl3Cu2?
1 2 3 4
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1. 42. 53. 64. 7
2. How are elements organized on the periodic
table?
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1. Metals on left, Nonmetals on right
2. Nonmetals on left, Metals on right
3. Gases on left4. Metalloids in
groups 3-12
3. Covalent bonds involve…
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1. Transfer of electrons
2. Really strong forces
3. Creation of ions4. Sharing of
electrons
4. Which tool best measures the mass of a
liquid?
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1. Graduated cylinder
2. Scale3. Metric ruler4. Triple-beam
balance
5. Which property of a baseball would be different
on the moon?
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1. Volume2. Weight3. Mass4. Density
6. Which of the following describes only a physical
change?
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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 someone’s hand
4. A piece of wood turning black in a fire
7. Which of the following is not a mixture?
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1. Water2. Air3. Lemonade4. Pool water
8. Which of the following is NOT a property of a
metal?
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1. Solid at room temperature
2. Ductility3. Malleability4. Good insulator
9. If 100 grams of H2O decomposes into hydrogen and oxygen, which of the following
must be true?
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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
10. An element’s mass number is the number of ___________ in its
atoms.
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1. Protons and electrons
2. Electrons and neutrons
3. Protons only4. Protons and
neutrons
11. The part of an experiment that the scientist manipulates
is the…
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1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group
12. The part of an experiment that the
scientist measures is…
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1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group
13. The part of an experiment that the scientist uses for comparison
is…
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1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group
14. The part of an experiment that the scientist keeps consistent for
all is…
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1. Independent Variable
2. Dependent Variable
3. Constant Variable
4. Control Group
15. This is the term for what is formed when two or more atoms chemically
combine.
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1. Element2. Compound3. Molecule4. Mixture
16. This is the term for what is formed when two or more elements chemically
combine.
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1. Element2. Compound3. Molecule4. Mixture
17. What are the two most reactive families on the
periodic table?
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1. Halogens and Alkaline Earth Metals
2. Alkaline Earth Metals and Alkali Metals
3. Alkali Metals and Halogens
4. Halogens and Noble Gases
18. When atoms combine in an ionic bond…
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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
19. This is the number of valence electrons of the elements in the
carbon family.
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1. 42. 53. 64. 7
20. These are the reacants of photosynthesis.
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1. Glucose and Water
2. Carbon Dioxide and Glucose
3. Water and Carbon Dioxide
4. Oxygen and Water
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