An element emits 2 alpha particles. The atomic number of the daughter has...
decreased by 2.
decreased by 4.
increased by 2.
increased by 4.
Answers
Answered by
3
Answer:
decreased by 2....... .. ....
Answered by
1
Answer:
decrease by 4
Explanation:
as each alpha particle when emited the atomic number decreases by 2 so for 2 alpha particle the Z decreases by 4
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