Question

what is amphoteric metal

Answer 1

Amphoteric metals are ones that can react/be corroded by either acids or alkalis. Examples include aluminium, tin, lead, zinc and antimony - their oxides and hydroxides will react with both types (amphoteric is derived from the Greek word for “both”).

Answer 2

 In chemistry, an amphoteric compound is a molecule or ion that can react both as an acid as well as a base. ... Many metals (such as copper, zinc, tin, lead, aluminium, and beryllium) form amphoteric oxides or hydroxides. ... Examples of amphoteric metals such as copper, zinc, tin, lead ...