Basics+of+Potassium

Potassium has 19 protons, 19 electrons, and 20 neutrons.

Atomic Number: 19

Atomic Mass: 39.0938

Symbol: K

Melting Point: 336.53 K (63.38°C or 146.08°F)

Boiling Point: 1032 K (759°C or 1398°F)

Density: 0.89 grams per cubic centimeter

Phase at Room Temperature: Solid

Element Classification: Metal

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