Question

What element has the same electron configuration of 1s2 2s2 2p6 3s2 3p6 ?

Answer 1

Answer:

Ar

Explanation:

1s2|2s2 2p6|3s2 3p6 means 2+2+6+2+6=18 electrones. Also it means the number in the table.

According to the №18 the requested element is Argon.

Answer 2

Hello ..

The element is Argon ..

here is a explanation as a video ..

https://youtu.be/2fDwwTnZ2UU

Thank u ..hope it helps ..

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