What characteristic are different between silver and mercury (I) cations?

Answer : There are multiple characteristics which are different between silver (Ag) and mercury (Hg).

Ag is solid at room temperature while Hg is liquid.

Ag is not so toxic as compared to Hg.

Ag can be tarnished but Hg can not be tarnished.

Mercuric chloride dissolves in ammonia whereas silver chloride does not dissolves.