Is radon a solid, liquid, or gas at room temperature?

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Is radon a solid, liquid, or gas at room temperature?

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Answer 1 · 2016-10-02T04:43:41

The normal boiling point of radon is $- 61$ $-61$ $^{\circ} C$ $""^@C$ , so it is barely a gas at $R T$ $RT$ .

Explanation:

While radon is an inert gas, it is an unstable nuclide with the half life of its common isotope, $^{222} R n$ $""^222Rn$ , under 4 days.

As chemists, we are more interested in its boiling point/melting point etc. At $0$ $0$ $^{\circ} C$ $""^@C$ the gas has a density of just under $10 \cdot g \cdot L^{- 1}$ $10*g*L^-1$ , which is very dense indeed.

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Is radon a solid, liquid, or gas at room temperature?

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