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Check-In: Reactivity of Metals
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1. Copper metal is more reactive than gold because...
It's valence shell is incomplete, whereas the valence shell of gold is complete
It's valence shell is complete, whereas the valence shell of gold is incomplete
It has a higher electronegativity than gold, and is thus more likely to hold on to its electrons
It has a lower electronegativity than gold, and is thus less likely to hold on to its electrons
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2. Calcium is shown experimentally to be a highly reactive metal. Based on this information, which of the following predictions is most likely to be correct?
A solution of calcium chloride will also be highly reactive
A solution of calcium chloride will not be highly reactive
Not enough information is provided to make an accurate prediction
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3. Which of the following is considered to be an oxidizing agent?
a solution of copper sulfate
a silver coin
a strip of aluminum foil
a bar of gold
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4. Which of the following metals would make the strongest reducing agent?
aluminum
tin
nickel
magnesium
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5. Select the statement below that is true.
a solution that contains lead ions will react more vigorously with most substances than a solution that contains silver ions
a solution that contains copper ions will react more vigorously with most substances than a solution that contains sodium ions
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Use the following information to answer the next two questions.
6. Which ion tested above is the MOST reactive?
Ion A+
Ion B+
Ion C+
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7. Which metal tested above is the LEAST reactive?
Metal A
Metal B
Metal C
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8. What is a spontaneous reaction?
One that occurs when mixed
One that occurs when heated
One that occurs without any input of energy
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9. Which of the following is TRUE of the reaction between a piece of solid zinc and a solution of lead (II) nitrate?
It will occur spontaneously
It will not occur spontaneously
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10. Which of the following reactions will NOT occur spontaneously?
solid cadmium and a solution of silver nitrate
solid sodium and a solution of calcium chloride
solid nickel and a solution of copper sulfate
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