86
Rn
Radon
222.0 u
Radon
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Period
6
Group
18
Block
p-block
Phase (STP)
Gas
Radon is a radioactive noble gas formed from the decay of radium. It is the leading cause of lung cancer among non-smokers.
More Noble Gas
Frequently Asked Questions
What is Radon?
Radon (Rn) is a chemical element with atomic number 86. It is a gas at standard temperature and pressure, classified as a noble gas.
What are the key properties of Radon?
Radon has an atomic mass of 222.0 u.
What is the electron configuration of Radon?
The electron configuration of Radon is [Xe] 4f14 5d10 6s2 6p6. It is in the p-block of the periodic table.
What is the electronegativity of Radon?
Radon has an electronegativity of 2.2 on the Pauling scale.