Thiamin is not a metal, nonmetal, or metalloid. It is a water-soluble vitamin that belongs to the B-complex group of vitamins.
Silicon is considered a metalloid. It exhibits properties of both metals and nonmetals.
Lutetium is a metal. It is a rare earth metal that is part of the lanthanide series on the periodic table.
Plastic is a type of material known as a polymer, which is a nonmetal in terms of its composition. It is not classified as a metal or a metalloid (semimetal).
Neptunium beryllide is a metal. Beryllide compounds typically consist of beryllium and another metal, in this case neptunium, making it a metallic compound.
Uranium is a metal, rather than a nonmetal, or metalloid.
Nails are metal.
nonmetal
metalloid
metalloid
metalloid
metalloid
Silicon is a metalloid.
Carbon is a nonmetal.
It is a metal.
metal
metal