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Rubidium
(Rb)
3
3
2
W
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2
8
18
8
1
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Rb
Category
Alkali metal
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Relative atomic mass
85.4678
Density
1.53
Melting point (°C)
39.31
Boiling point (°C)
688
Electronegativity (Pauling)
0.8
Discovery year
1861
Discovered by
Robert Bunsen
Gustav Kirchhoff
Electrons: 37
Protons: 37
Neutrons: 48
Wikipedia
created by @lukaswyss
Rubidium (Rb) – Element 37