Neither.
Hydroxide is a polyatomic ion, not an element or even a substance. Only elements can be regarded as metal or nonmetals.
metal hydroxide
the test of metal hydroxide is metal + oxygen = metal hydroxide + hydrogen
It is a nonmetal.
A nonmetal.
Helium is a nonmetal. Think about the helium balloon!
metal
metal hydroxide
No potassium OXIDE is not: IT IS A METAL. IT IS A METAL.And it is not a NONmetal either.Potassium OXIDE K2O is a basic oxide: with water it forms (only) potassium hydroxide, KOHPotassium (elemental) is a alkali metal
Neither. It is a chemical compound. It is a copper carbonate hydroxide mineral, with the formula Cu2CO3(OH)2.
Nails are metal.
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
the test of metal hydroxide is metal + oxygen = metal hydroxide + hydrogen
nonmetal
Nonmetal