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Write METAL, NONMETAL, DIATOMIC MOLECULE ,METALLOID

alkali metal
alkaline earth metal
iron triad
halogens
noble gases
boron group
oxygen group

1 Answer

2 votes
Alkali metal - Group 1 metal
Alkaline earth metal - Group 2 metal
Iron triad - metal
Halogens - most are diatomic and are nonmetals - Cl2, Br2, I2
Noble gases - nonmetals and are not reactive due to full valence shell.
Boron group - metalloid
Oxygen group - oxygen molecule - a diatomic molecule composed of oxygen atoms, which are nonmetals.
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