1.

If W is atomic weight and N is the atomic number of an element, then  [CPMT 1971, 80, 89]

A.      Number of \[{{e}^{-1}}=W-N\]
B.      Number of \[_{0}{{n}^{1}}=W-N\]
C.      Number of \[_{1}{{H}^{1}}=W-N\]
D.      Number of \[_{0}{{n}^{1}}=N\]
Answer» C.      Number of \[_{1}{{H}^{1}}=W-N\]


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