MCQ
The average mass of the atom as compared to $\frac{1}{12}^\text{th}$ the mass of one carbon $-12$ atom is known as :
- AMolecular mass.
- BAtomic mass.
- CRelative molecular mass.
- ✓Relative atomic mass.
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$A : 1s^2\, 2s^2\, 2p^6$
$B : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^3$
$C : 1s^2\, 2s^2\, 2p^6\, 3s^2\, 3p^5$