Periodic table of the elements
BromineKryptonRubidium
36
Kr
Krypton
83.798
2
8
18
8
36
Kr
Krypton
83.798
2
8
18
8
General
NameKrypton
SymbolKr
Number36
Chemical seriesNoble gases
Group / Period18 / 4
Blockp-block
CAS registry number7439-90-9

Physical properties
Stategas
Density3.749 g/L
Melting point115.79 K (-157.36°C, -251.25°F)
Boiling point119.93 K (-153.22°C, -243.80°F)
Critical point209.41 K, 5.50 MPa

Atomic properties
Atomic Weight83.798 g/mol
Crystal structurecubic face centered
Electronegativity3.00
Atomic radius
Atomic radius (calculated)88 pm
Electron configuration[Ar] 3d10 4s2 4p6
Electrons per shell2, 8, 18, 8
Number of protons36
Number of neutrons48

Other languages
SpanishKriptón
PortugueseCrí­pton
FrenchKrypton
GermanKrypton
ItalianKripton
RussianКриптон
PolishKrypton
Chinese
Arabicكريبتون
TurkishKripton
DutchKrypton


Periodic table of the elements
BromineKryptonRubidium