Periodic Table of the Elements
Periodic Table




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name Oxygen
latin Oxygenium
french Oxygéne
german Sauerstoff
symbol O
proton number 8
atomic weight 15.9994
Pauling electronegativity 3.44
electronic configuration [He] 2s22p4
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melting point 54.8 K, -218.35°C, -361.03°F
boiling point 90.2 K, -182.95°C, -297.31°F
group 16
period 2
state (by 20°C) gas
oxidation states -2
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Year of discovery Discoverer
1774 Joseph Priestley (1733-1804)

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