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Potassium

(K)

Category

Alkali metal

Relative atomic mass

39.0983

Density

0.862

Melting point (°C)

336.53

Boiling point (°C)

1032

Electronegativity (Pauling)

0.82

Discovery year

1807

Discovered by

Humphry Davy

created by @lukaswyss

Potassium (K) – Element 19