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A an outer energy level
B a valenence electron
C a neutron
D a proton

2007-10-01 08:14:59 · 1 answers · asked by Anonymous in Science & Mathematics Chemistry

1 answers

C.
beta decay is one kind of nuclear reaction, and
proton is already positively charged. So far we did not find a subatomic particle which is twicely charged compared to a proton.

2007-10-01 17:32:37 · answer #1 · answered by Hahaha 7 · 0 0

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