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1 Nitrogen family elements often form covalent compounds, usually with the oxidation numbers +3 or +5. 2  Nitrogen and phosphorus are nonmetals. 3  Arsenic and antimony are metalloids. 4  Bismuth is a metal.
What family does lithium belong to? A: Lithium is in the alkali metals group in the periodic table of the elements. Elements in the alkali metals group, also known as Group 1A, each have one e... Full Answer >