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ASAP! When a radioactive isotope releases an alpha particle, the atomic number of the atom is A decreased by two. B decreased by four. C increased by two. D increased by four.
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ASAP!

When a radioactive isotope releases an alpha particle, the atomic number of the atom is
A
decreased by two.

B
decreased by four.

C
increased by two.

D
increased by four.

User Unreason
by
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1 Answer

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When a radioactive isotope releases an alpha particle, the atomic number of the atom is decreased by four.

So, the correct answer is B.

Hope this helps,

Davinia.

User Chimere
by
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