Basic Information

Name:krypton

Symbol:KR

Classification:Krypton is a noble gas and a nonmetal

color:colorless

Atomic weight :83.80

state: gas

Melting Point:-157.3 oC, 115.9 K

Boiling Point:-153.2 oC, 119.4 K

Shells:2,8,18,8

Electron configuration:[Ar] 3d10 4s2 4p6

Density @ 20oC:0.003708 g/cm3

Atomic volume:38.9 cm3/mol

Structure:fcc: face-centered cubic

hardness: