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42 votes
42 votes
PLEASE HELP IM ON TIME LIMIT!!! (picture included below)

PLEASE HELP IM ON TIME LIMIT!!! (picture included below)-example-1
User Pinkpanther
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3.4k points

1 Answer

22 votes
22 votes

Step-by-step explanation:

The answer is (C)
^(111)_(\:40)\text{Zr}

User Digdigdoot
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