What element has the electron configuration of 1s2 2s2 2p3?

Answer 1

With all do respect there is no known element of 1s2 2s2 2p3 3s2 3p3, there must have been a mistake when typing the question. However, 1s2 2s2 2p6 3s2 3p3 is commonly known as Phosphorus (P).

Answer 2

It is the electronconfiguration of elemental Sulfur with 16 electrons:

Explained:

1s2 2s2 2p6 3s23p4 => add up the superscripts (bold): 2+2+6+2+4 = 16

16 electrons means 16 protons for that element, so it is atom number 16 in the Periodic Table: 3rd period (3 electron levels: 1, 2, 3) with 6 electrons (3s23p4) in it, so the element is in group 6 (or 16).

Answer 3

No element has that configuration. The s sublevel of any energy level can hold only 2 electorns. You wrote "3s3," which is impossible.

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Answer 4

That doesn't exist ^^

Either you may mean:

1s2 2s2 2p6 3s2 3p2 >>Silicon

1s2 2s2 2p6 3s2 >> Magnesium

Answer 5

Nitrogen Nitrogen

Answer 6

That would be silicon.

Answer 7

the element B or Boron

Answer 8

Aluminium