Argon is a non metal. It is chemically inert and belongs to noble gas family.
Metallic
no it is metallic
Assuming that "least nonmetallic" means the same as "most metallic", francium.
no, coal is not metallic because it is almost completely composed of carbon, a nonmetallic element that is 6th in the periodic table.
It is Metallic. Meaning it is a metal. It's in the group of elements called the Alkali Earth Metals.
Rubidium (Rb) is an alkali metal.
nonmetallic
A metal is mercury and a nonmetal is bromine.
Nonmetallic
Pumice is nonmetallic.
metallic
Germanium is classified as a metallic element (some sources list it as semi-metallic)