Write the full ground state electron configuration of c − c− . electron configuration: which neutral atom is isoelectronic with c − c− ?

1. Is2 2s2 2p3

2. Nitrogen

Explanation: The number of electron present In C = 6

But an extra electron is added since the charge on C is -1, this therefore makes the total electron 7.

1. By arrangement, the Electronic configuration is therefore;

Ans: 1s2 2s2 2p3

2. It is explained how C has 7 electrons, we can proceed then.

Neutral atom have atomic number of 7.

The element with atomic number of 7 is;

Ans: NITROGEN

the answer is b & c i believe : )

increased stability in the completion of fluorine's outer shell.