Oxygen

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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 >> show long 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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