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Barium
(Ba)
1
1
2
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2
8
18
18
8
2
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Ba
Category
Alkaline earth
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Relative atomic mass
137.33
Density
3.5
Melting point (°C)
727
Boiling point (°C)
1897
Electronegativity (Pauling)
0.9
Discovery year
1772
Discovered by
Carl Wilhelm Scheele
Electrons: 56
Protons: 56
Neutrons: 81
Wikipedia
created by @lukaswyss
Barium (Ba) – Element 56
