O	Z =  8	◊ ◊ ◊ ◊ ◊	Oxygen
			From the Greek "oxy geinomai", meaning "to bring forth acid"
(AM) Atomic Mass	15.9994  amu	♦	Oxidation States	-2
(BP) Boiling Point	-182.9  °C	♦	(MP) Melting Point	-218.4  °C
(ρ) Density	0.001429  g/cm3	♦	Crystal Structure	Cubic
( χ ) Electronegativity	3.5	♦	(AR) Atomic Radius	0.73  Å
Physical State	Gas	♦	(C) Heat Capacity	0.918  J/g °C
Electronic-Config	1s2  2s2  2p4	♦	(I1) First Ionization E	1313.93  kJ/mol
(ΔHvap) Heat of Vaporization	6.82  kJ/mol	♦	(ΔHfus) Heat of Fusion	0.444  kJ/mol
Year of Discovery	1774	♦	Location of Discovery	United Kingdom
(E°) Standard Potential	1/2 O2 + 2 H+⇔ H2O (1.230 V),  O3 + 2 H+⇔ O2 + H2O (2.070 V)
Stable isotopes	16O,  17O,  18O
Discovered/Synthesized by	Joseph Priestley
Natural Source	Isolated from the liquifaction of air
Common Uses	Combustion, life support, fire
Other Info	Third most abundant element in the universe Exists in nature as the diatomic molecule O2
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