Question

The following electron configuration notation represents an atom of which element?

1s22s22p63s23p2
Answer choice:
A:si
B:be
C:Al
D:H

Answer 1

Si

Step-by-step 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.

Answer 2

A

Step-by-step explanation:

This is Silicon :)