Hydrogen

Hydrogen is a chemical element; it has symbol H and atomic number 1. It is the lightest element and, at standard conditions, is a gas of diatomic molecules with the formula H 2, sometimes called dihydrogen, hydrogen gas, molecular hydrogen, or simply hydrogen. .

Uses of hydrogen gas

Hydrogen is used in industrial processes, as a rocket fuel, and in fuel cells for electricity generation and powering vehicles. Operators of several natural gas-fired power plants are exploring hydrogen as a supplement or replacement for natural gas.. .