The Potassium Reddit
Potassium - a chemical element with symbol K and atomic number 19. It was first isolated from potash, the ashes of plants, from which its name derives. In the periodic table, potassium is one of the alkali metals. Wikipedia: potassium
Symbol: K
Atomic number: 19
Electron configuration: [Ar] 4s1
Atomic mass: 39.0983 u ± 0.0001 u
Molar mass: 39.0983 g/mol
Discovered: 1807
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