Potassium
Potassium
Chlorine Argon Potassium Calcium Scandium Blank Blank Blank Blank Blank Blank Blank Blank Blank Hydrogen Lithium Sodium Potassium Rubidium Cesium Francium
Name:
Potassium
Symbol:
K
Atomic Number:
19
Atomic Weight:
39.0983(1)
Density:
0.862 g/cc
Melting Point:
63.65 C
Boiling Point:
773.85 C
Electron Configuration:
1s2 2s2 2p6 3s2 3p6 4s1
Chemical Group:
Alkali Metals
Detailed Technical Data

The data on this page is more precise and in some cases more up-to-date than the data engraved on the wooden tiles. But as always, never believe one source if the number really matters. Density, melting point and boiling point data is particularly variable and uncertain.

Atomic weight data for stable elements from IUPAC 1999 Official Publication. (Uncertainty in parentheses.)