Types of Radioactive Decay — Unit test Answers
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Examine the nuclear reaction: . Why is this classified as a nuclear reaction rather than a chemical reaction?
A
It is not balanced.B
A new compound is formed.C
A change has occurred in a nucleus.D
A new element has been formed.22
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Which is occurring when work is being done?
A
Energy is being reverted.B
Energy is being decreased.C
Energy is being increased.D
Energy is being transferred.23
If the kinetic and potential energy in a system are equal, then the potential energy increases. What happens as a result?
A
Total energy increases.B
Stored energy decreases.C
Energy of motion decreases.D
Total energy decreases.24
When Javier touches a hot mug of tea, energy is transferred from the surface of the mug to his hand. What kind of energy is this?
A
nuclearB
radiantC
thermalD
chemical25
When a spring is compressed, the energy changes from kinetic to potential. Which best describes what is causing this change?
A
workB
powerC
gravitational energyD
chemical energyDid you find these answers helpful?
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