Boron is a metalloid.
Boron is a chemical element with the atomic number of five that is present in the earth’s crust and in the solar system. Boron is classified as a metalloid. Boron is a weak electrical conductor that can be used in ceramics, flare arms, and fibre glasses. Boron comes in a variety of types, the most popular of which is amorphous boron, that is a dark powder that is unreactive to oxygen, water, alkalis, and acids. As it reacts with metals, it forms borides.