Cesium

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name Cesium latin Caesium french Césium german Caesium symbol Cs proton number 55 atomic weight 132.90545 Pauling electronegativity 0.79 electronic configuration [Xe] 6s1 >> show long melting point 301.59 K, 28.44°C, 83.19°F boiling point 944 K, 671°C, 1240°F group 1 period 6 state (by 20°C) solid oxidation states +1

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