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: