What are allotropes boron?

boron was discovered by a man named sir humphry

Boron is used in flares, propellant mixtures, nuclear reactor control elements, abrasives, and hard metallic alloys

Any of two or more forms of the same chemical element.

It is a brownish color element that was discovered in 1808 by Humphrey Davy. It is used to help with arthritis pain and building. Atomic # : 5 Atomic Mass: 10.811 of Electrons: 5 of Neutrons: 6

For starters they are both isotopes of Boron. The boron in the periodic table has an atomic weight of 10.8, which is basically the average of all of boron's isotopes' atomic weights. An isotope is an...