Question

The atom that donates electrons is said to have a __ valency.

Answer 1

The atom that donates electrons is said to have a positive valency.All metals(and hydrogen) have electrons numbering between 1 and 3 in their valence shells.During chemical combination, they donate their electrons and become positively charged.Depending upon the number of electrons donated, these elements are monovalent,bivalent and trivalent.