Question

What element is the electron configuration representing?

1s2 2s2 2p6 3s2 3p6 4s2.

Answer 1

Answer:

calcium

Explanation:

1s2 2s2 2p6 3s2 3p6 4s2

total number of electrons: 2+2+6+2+6+2=20

the atomic number of the element is 20

the element is calcium