# What is the formula of lithium nitride?

Sep 19, 2016

$L {i}_{3} N$
Lithium nitride contains the ${N}^{3 -}$ ion. And lithium is one of the few materials that will directly fix dinitrogen:
$3 L i + \frac{1}{2} {N}_{2} \rightarrow L {i}_{3} N$