Krypton has an atomic number of 36, meaning each atom contains 36 protons in its nucleus.
The standard atomic weight of krypton is 83.798 u (unified atomic mass units).
Krypton is classified as a noble gas.
Krypton is a gas at 20 Β°C (68 Β°F).
The melting point of krypton is -157.35 Β°C / 115.8 K.
The boiling point of krypton is -153.25 Β°C / 119.9 K.
The density of krypton is 3.43e-3 g/cmΒ³ (20Β°C).
Krypton has a Pauling electronegativity of 3.
The electron configuration of krypton is [Ar] 3d10 4s2 4p6.
Krypton was discovered in 1898 by William Ramsay and Morris Travers.
Krypton is a stable element with no naturally occurring radioactive isotopes.
No known biological role.
Krypton is used for: Lighting; Lasers; Insulated windows.