Question: ? 9 4 2 3 8 P u ? 9 2 2 3 6 U + Yes. No , because in alpha decay, the mass
Yes.
No because in alpha decay, the mass number is reduced by four, not two.
No because in alpha decay, Woth the atomic number and the mass number are reduced by four, not two.
No because in alpha decay, the atomic number is reduced by four, not two.
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