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14 POINTS!! What is the atomic number of the first element to start filling an "f" sub-level? A. 21 B. 58 C. 72 D. 92
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14 POINTS!! What is the atomic number of the first element to start filling an "f" sub-level?

A. 21
B. 58
C. 72
D. 92

User Antonino
by
8.5k points

2 Answers

2 votes
your answer is 58 :-) hope this helps
User Hamza Tuna
by
8.7k points
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What is the atomic number of the first element to start filling an "f" sub-level?
the answer is 58.
I hope this helps :)
User Nipun Tyagi
by
7.9k points
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