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The most stable isotope of radon is...

The most stable isotope of radon is

A

`._(86)^(223)Rn`

B

`._(86)^(222)Rn`

C

`._(86)^(224)Rn`

D

`._(86)^(221)Rn`

Text Solution

Verified by Experts

The correct Answer is:
2
Radon gas is radioactive and is not found in the atmosphere .The most stable isotope of radon is `._(86)^(222)Rn` which is obtained during the decay of radium chloride solutions:
`._(88)^(226)Ra rarr._(86)^(222)Rn+._(2)^(4)He`
It has been used in the treatment of cancer because of its radioactivity.
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