Question

Pls, pls, pls, answer this

Answer 1

Check the periodic table if they are metals or non metals ionic compounds are compounds between metals and non metals where electrons are transferred. Covalent compounds are molecules formed by covalent bonds, in which atoms are sharing on or more pair of valence electrons. This only happens between two non-metals

Answer 2

The Nitrate mixed into the Sodium and the Iodide mixed into the Lead.