Basic Information

Name: potassium

Symbol: k

Classification: Potassium is an alkali metal

color:silvery-white

Atomic weight:39.0983

state: solid

Melting Point: 63.4 oC, 336.5 K

Boiling Point: 765.6 oC, 1038.7 K

Shells: 2,8,8,1

Electron configuration: 1s2 2s2 2p6 3s2 3p6 4s1

Density @ 20oC: 0.862 g/cm3

Atomic volume: 45.46 cm3/mol

Structure: hcp: bcc: body-centered cubic

Hardness: 0.4 mohs