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tomsharp

Potassium: atomic number: 19; weight: 39.0983; Alkali metal; discovery: 1807—Humphry Davy (sharpgiving.com/thebookofscien)

Potassium: atomic number: 19; weight: 39.0983; Alkali metal; symbol: K (for the Latin, Kalium)
Sep 04, 2023, 17:50 · · Web · 0 · 0
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