MCQ
The element with configuration $1{s^2},\,2{s^2}{p^6},\,3{s^2}$ would be
- ✓A metal
- BA non-metal
- CAn inert gas
- DA metalloid
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(Use $R =8.31\, J\, K ^{-1}\, mol ^{-1} ; \log 2=0.3010$. In $10=$ $2.3, \log 3=0.477$ )
(Given : Molar mass in $\mathrm{g} \mathrm{mol}^{-1}$ Ethyl alcohol : $46$,
water : $18$)
( $p$ : pressure, $V$ : volume, $T$ : temperature, $H$ : enthalpy, $S$ : entropy)