86
Rn
Radon
Radon
Radon (Rn)
Noble Gases · Gas · Period 6 · Group 18
Element Properties
- Atomic Number
- 86
- Symbol
- Rn
- Atomic Mass
- 222.0176
- Category
- Noble Gases
- Standard State
- Gas
- Period
- 6
- Group
- 18
- Electronegativity
- —
- Atomic Radius
- 220
- Ionization Energy
- 10.74
- Electron Affinity
- —
- Oxidation States
- 0
- Melting Point
- 202 K (-71.15 °C)
- Boiling Point
- 211.45 K (-61.7 °C)
- Density
- 0.00973
- Electron Configuration
- [Xe]6s2 4f14 5d10 6p6
- Year Discovered
- 1900
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Frequently asked questions
What is the atomic number of Radon?
The atomic number of Radon is 86, which equals the number of protons in its nucleus.
What is the atomic mass of Radon?
The atomic mass of Radon is approximately 222.0176 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Radon?
The electron configuration of Radon is [Xe]6s2 4f14 5d10 6p6.
Where is Radon in the periodic table?
Radon is located in period 6, group 18.
When was Radon discovered?
Radon was discovered in 1900.
Related elements
Same group
2
He
Helium
4.003
10
Ne
Neon
20.18
18
Ar
Argon
39.9
36
Kr
Krypton
83.8
54
Xe
Xenon
131.29
118
Og
Oganesson
295.216