Radium

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name Radium latin Radium french Radium german Radium symbol Ra proton number 88 atomic weight 226.0254 Pauling electronegativity 0.9 electronic configuration [Rn] 7s2 >> show long melting point 973 K, 700°C, 1292°F boiling point 2010 K, 1737°C, 3158°F group 2 period 7 state (by 20°C) solid oxidation states +2

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