Question

Which of the following electron configurations belongs to an atom that is most likely to be involved in a
covalent bond?
a. 1s22s22p63s2
b. 1s22s22p6
c. 1s22s22p63s23p3
d. 1s22s22p63s23p6

Answer 1

Ionic bonds are formed with atoms that have one or two electrons in the outer shell OR six or seven in the outside shell. Those will full outside shells form few compounds.

Answer 2

1s22s22p63s23p3