How would you write the electron configuration of the outermost principal energy level of a group 16 elements in the ground state.

Explanation:

Group 16 elements are oxygen family elements also called as chalcogens.This  name is given for the their ore forming abilities.  It consists of the elements oxygen, sulfur, selenium, tellurium and polonium.

Group 16 have six electron in the outermost principal energy level  or the valence shell and their general electronic configuration is ns2 and np4.

answer carbon and three oxygen atoms;