Argon

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name Argon latin Argon french Argon german Argon symbol Ar proton number 18 atomic weight 39.948 Pauling electronegativity - electronic configuration [Ne] 3s23p6 >> show long melting point 83.8 K, -189.35°C, -308.83°F boiling point 87.3 K, -185.85°C, -302.53°F group 18 period 3 state (by 20°C) gas oxidation states -

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