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| Potassium
is an alkali metal in group IA of the periodic table with atomic number
19, an atomic weight of 39.102, and a density of 0.86 Mg/m3.
Its melting point is 63.7 C, and it boils at 760 C.
The electronic configuration of Potassium is (Ar)(4s1). Its atomic radius is 0.235 nm and the (+1) ionic radius is 0.133 nm. In the solid state Potassium has a body-centered cubic crystal structure with a = 0.533 nm and a nearest neighbor distance of 0.277 nm. |
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