Two Lewis structures of the canonical structures of the nitrite ion, NO<sub>2</sub><sup>−</sup>.
original by <a href="//commons.wikimedia.org/wiki/User:Benjah-bmm27" title="User:Benjah-bmm27">Ben Mills</a><br>vectorization by <a href="//commons.wikimedia.org/wiki/User:Bjankuloski06" title="User:Bjankuloski06">B. Jankuloski</a>
<a href="//commons.wikimedia.org/wiki/File:Nitrite-ion-lewis-canonical.png" title="File:Nitrite-ion-lewis-canonical.png">File:Nitrite-ion-lewis-canonical.png</a>