calcium is a metalloid as it stands between metal and non metal as it doesn't have all the porperties of metal. calcium oxide is not an element so neither metal or non metal it is a compound
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Calcium is a alkali earth metal, so yes it is a metal. It is right beside potassium on the PT.
Nonmetal. Nitrogen is a gas.
Metal
Iron is a metal. In fact, it is part of a group of metals known as transition metals, located in the middle of the Periodic Table.
It is safer to use...say a wooden spoon instead of a metal spoon because metal is a heat conductor...or when metal touches heat the heat goes through the metal (it does the same with electricity). There is a simple answer for it!
Examples of non-metal elements that are gases include hydrogen, oxygen, and many others, while bromine is the only liquid non-metal element.