H	Z =  1	◊ ◊ ◊ ◊ ◊	Hydrogen
			From the Greek "hydro, - genes", meaning "water + begetter"
(AM) Atomic Mass	1.00794  amu	♦	Oxidation States	+1, -1
(BP) Boiling Point	-252.8  °C	♦	(MP) Melting Point	-259.1  °C
(ρ) Density	0.000089  g/cm3	♦	Crystal Structure	Hexagonal
( χ ) Electronegativity	2.1	♦	(AR) Atomic Radius	0.38  Å
Physical State	Gas	♦	(C) Heat Capacity	14.3  J/g °C
Electronic-Config	1s1	♦	(I1) First Ionization E	1312  kJ/mol
(ΔHvap) Heat of Vaporization	0.904  kJ/mol	♦	(ΔHfus) Heat of Fusion	0.117  kJ/mol
Year of Discovery	1776	♦	Location of Discovery	London
(E°) Standard Potential	2 H+⇔ H2 (0.000 V),   H2⇔ 2 H- (-2.230 V)
Stable isotopes	1H,  2H
Discovered/Synthesized by	Henry Cavendish
Natural Source	Isolated from the liquifaction of air
Common Uses	Production of Ammonia, Hydrogenation of organic compounds, liquid Hydrogen fuel
Other Info	Most abundant element in the Universe Exists in nature as the diatomic molecule H2
Previous Element				Next Element
Back to Table				Common Properties
Home Page				Definitions