KRYPTON

Atomic Number: 36
Mass Number: 83.80
Electron Configuration: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶
Melting Point: -156.6^oC
Boiling Point: -152.3^oC
First Ionization Energy: 1351 kJ/mol
Atomic Radius: 110 pm