Are the bonds for these substances correct?

Sodium chloride - ionic
Sucrose - covalent
Copper - metallic
Calcium chloride - ionic
Carbon - covalent
Mercury - ionic
Naphthalene - covalent

Are any of these substances not strictly ionic, covalent, or metallic?

1 answer

I think all look ok except I would think Hg is a metallic bond since Hg is a metal. The others look ok. In my book almost nothing is PURE ionic or PURE covalent.