Non
SO2 is sulphur dioxide, at standard atmosphere it is a toxic gas with a pungent smell
Nails are metal.
it is not metallic SO2 is a non-metallic compound
nonmetal
Is ceramic metal or nonmetal
Metal is metal. Nonmetal is everything else.
it can be a metal or nonmetal or metalliods
Metal - metal compounds don't exist... Only metal-nonmetal and nonmetal-nonmetal
nonmetal
Nonmetal
nonmetal