Hydrogen

Chase Sudduth

About Hydrogen

Hydrogen is a chemical element with chemical symbol H and atomic number 1. Hydrogen is the lightest element in the periodic table with an atomic weight of 1.00794 u. Hydrogen's melting point is -259.2

History of Hydrogen

In 1671 Robert Boyle discovered Hydrogen by mixing iron filings and dilute acids In 1766, Henry Cavendish was the first to recognize Hydrogen gas as a discrete substance, by naming the gas from a metal acid reaction flammable air.

Compounds

Water H20

Ammonia NH3

Methane Hydrochloric acid

Hydrogen peroxide H2O2

uses of hydrogen

makes ammonia

used as a protective atmosphere for glass

fills balloons and airships

Group

Group name: None

Group Number: 1

Low melting and boiling point

Low densities

Castle Bravo Nuclear Test