Category
noble gas
State at Room Temperature
gas
Electron Configuration
1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁶
Valence Electrons
8
Lewis Dot:••••••••
Electronegativity
2.2
Pauling scale
Oxidation States
0+2
Melting Point
202 K
-71.15°C
Boiling Point
211.5 K
-61.65°C
Density
0.00973
g/cm³
Position in Table
Group 18Period 6p-block
Discovery
Historical Information
Discovered byFriedrich Ernst Dorn
Year1900
Common Uses
Applications & Industries
Earthquake prediction, radiotherapy, tracer studies
Related Elements
Same group or period
Related Calculators
Need more chemistry tools? Check out puzzlewhiz.app for additional resources.