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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

Respuesta :

What is the atomic number of the first element to start filling an "f" sub-level?
the answer is 58.
I hope this helps :)
your answer is 58 :-) hope this helps

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