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Element Encyclopedia
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Potassium
is the nineteenth element of the periodic table, it is a silvery colour in group 1, and it is reactive.
is the nineteenth element of the periodic table, it is a silvery colour in group 1, and it is reactive.
Symbol: K
Atomic mass: 39.098
Atomic number: 19
Electronegativity: 0.82
Electrons per shell: 2, 8, 8, 1
Melting point: 63.65 degrees C
Discoverer: Sir Humphrey Davy
Symbol: K
Atomic mass: 39.098
Atomic number: 19
Electronegativity: 0.82
Electrons per shell: 2, 8, 8, 1
Melting point: 63.65 degrees C
Discoverer: Sir Humphrey Davy
- Potassium is an alkali metal, it is not magnetic, but it is a good conductor of heat and electricity.
- It is similar to all group 1 elements which have 1 valence electron, but it is different from hydrogen, which is a gas, not an alkali metal.
- It reacts best with the halogens in group 7.