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Potassium

(K)

2881

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Category

Alkali metal

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Relative atomic mass

39.0983

Density

0.862

Melting point (°C)

63.3

Boiling point (°C)

759

Electronegativity (Pauling)

0.8

Discovery year

1807

Discovered by

Electrons: 19

Protons: 19

Neutrons: 20

Wikipedia

created by @lukaswyss

Potassium (K) – Element 19