Periodic Table of the Elements
Periodic Table




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name Rubidium
latin Rubidium
french Rubidium
german Rubidium
symbol Rb
proton number 37
atomic weight 85.4678
Pauling electronegativity 0.82
electronic configuration [Kr] 5s1
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melting point 312.46 K, 39.31°C, 102.76°F
boiling point 961 K, 688°C, 1270°F
group 1
period 5
state (by 20°C) solid
oxidation states +1
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discussion board


Year of discovery Discoverers
1861 Robert W. Bunsen (1811-1899)
Gustav R. Kirchhoff (1824-1887)

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