Rutherfordium is a metal.
None of the above. Thiamin is a compound and the terms metal, nonmetal and metalloid apply to elements.
Silicon is considered a metalloid. It exhibits properties of both metals and nonmetals.
Rutherfordium is a synthetic element and is considered a transition metal. It is a highly radioactive element with no practical applications and is not found in nature, being produced through nuclear reactions in laboratories.
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).
Uranium is a metal, rather than a nonmetal, or metalloid.
Nails are metal.
metalloid
metalloid
metalloid
metalloid
nonmetal
Silicon is a metalloid.
Carbon is a nonmetal.
metal
It is a metal.
metal