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