# Is the Zinc ion paramagnetic or diamagnetic?

The $Z {n}^{2 +}$ ion is a DIAMAGNET.
$Z {n}^{2 +}$ is a ${d}^{10}$ species, and, therefore, diamagnetic. There are, I recall, one or 2 recent examples of $Z {n}^{+}$ complexes, which feature $Z n - Z n$ bonds.