A β+ particle is also known as
A) an electron.
B) a proton.
C) a positron.
D) a helium nucleus.
E) a photon.
Correct Answer:
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Q29: When an unstable nucleus decays by emitting
Q35: A β- particle is also known as
A)an
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A)air only.
B)a piece of
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A)air only.
B)a piece of
Q40: Gamma rays are emitted
A)often after beta decay.
B)often
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Q42: The atomic number and mass number for
Q43: In a 
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