AnswersFoothill-B Period-Chemistry-2627BBalancing Nuclear Reactions

Balancing Nuclear Reactions Answers

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1
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Which sentences describe alpha particles? Check all that apply.

A
Alpha particles consist of two protons and two neutrons.
B
Alpha particles consist of a negatively charged electron emitted by a nucleus.
C
Alpha particles are produced during alpha decay.
D
Alpha particles are produced during beta decay.
E
Alpha particles release energy.
2
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Which describe beta decay? Check all that apply.

A
In beta decay, a proton becomes a neutron and a positron.
B
In beta decay, a neutron becomes a proton and an electron.
C
In beta decay, A neutron becomes a proton and a gamma ray.
D
Beta decay releases energy.
E
Beta decay releases a helium-4 nucleus.
3

Which describes isotopes? Check all that apply.

A
Isotopes have the same atomic mass.
B
Isotopes have the same atomic number.
C
Isotopes are always stable.
D
Isotopes are always radioactive.
E
Isotopes are stable or radioactive.
F
Isotopes have different mass numbers.
4

Which statements are true? Check all that apply.

A
Alpha decay emits the same number of protons and neutrons.
B
Beta decay always emits protons.
C
Beta decay always emits electrons.
D
Gamma rays are particles of fast-moving matter.
E
Gamma rays are a form of electromagnetic radiation.

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