Find from the following which atomic and physical properties of hydrogen is false?

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Solution

Since melting and boiling points increase with increase in mass, the melting and boiling point order is: hydrogen < deuterium < tritium.
Density is also directly proportional to mass, the density order will also be hydrogen < deuterium < tritium.

The abundance of hydrogen protium is more than that of deuterium and tritium is rare.
$\begin{matrix} P r o p e r t y & T r i t i u m & D e u t e r i u m & H y d r o g e n M e l t i n g p o i n t & 20.62 & 18.5 & 13.9 B o i l i n g p o i n t & 24.9 & 23.5 & 20.4 D e n s i t y & 0.27 & 0.18 & 0.09 R e l a t i v e a b u n d a n c e (%) & 10^{- 15} & 0.016 & 99.984 \end{matrix}$
By considering the above data, the property mentioned in statement (a) is false

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