Lewis Structure of Cu3N2, copper (II) nitride

Copper is a metal that can have more than one charge; it this compound it has a charge of +2 so it is drawn with TWO valence electrons to start. It wants to lose these two electrons to become stable.
Nitrogen is a non-metal from Group 15, with FIVE electrons in its outer shell. It wants to gain three electrons to have a full octet (eight electrons) in its outer shell.
So, three copper atoms are needed to donate their six electrons (total) to two nitrogen atoms, and then all five atoms will have become stable.
The result is Cu3N2, copper (II) nitride, and in this video I draw the Lewis Structure of this ionic compound.
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