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Beryllium

(Be)

22

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Category

Alkaline earth

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Relative atomic mass

9.0122

Density

1.85

Melting point (°C)

1287

Boiling point (°C)

2471

Electronegativity (Pauling)

1.5

Discovery year

1798

Discovered by

Louis Nicolas Vauquelin

Electrons: 4

Protons: 4

Neutrons: 5

Wikipedia

created by @lukaswyss

Beryllium (Be) – Element 4