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The following electron configuration notation represents an atom of which element?
1s22s22p63s23p2
Answer choice:
A:si
B:be
C:Al
D:H

Respuesta :

307433

Answer:

A

Explanation:

This is Silicon :)

Answer:

Si

Explanation:

you can add the exponents 2+2+6+2+2= 14 electrons since it is an atom (no charge) then it also would be the number of protons, tells you it is Si.

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