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Synonyms: None

Symbol: K

Atomic mass: 39.0983 g/mol

Element number 19 in the Periodic Table. Valence number: 1. Electronegativity: 0.82

MP= 63.2 o C; BP= 765.5 o C; density: 862 kg/m3; CAS-number: 7440-09-7;

Potassium is an alkali metal. Potassium is an important electrolyte in body fluids as blood plasma and intracellular liquids.

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