Electron configuration of 2.8.8

Answer 1

I assume you mean that orbital 1 has 2 electrons, orbital 2 has 8 and orbital 3 has 8.

The electron configuration of this is 1s2 2s2 2p6 3s2 3p6

(2+2+6+2+6=18) 18 is the atomic number of 18Ar or Argon.

Answer 2

The electron configuration of 2.8.8 corresponds to sulfur (S), which has 16 electrons. The electron configuration for sulfur is 1s2 2s2 2p6 3s2 3p4.