Test your strength against the physical properties of potassium!
* = degrees
Appearance:
Potassium is a soft, silvery-white metal. It quickly oxidises in the air, giving it a gray color.
Melting point:
63.38  *C
Boiling point:
759 degrees *C
Density:
0.862 g/cm^3
Specific heat:
0.757  J/g *C