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in Chemistry by (61.7k points)
`X^(2+)` is isoelectrnic with sulphur and has `(z+2)` neutrons (Z is atomd no of `X^(2+)`) Hence ionic mass of `X^(2+)` is
A. 34
B. 36
C. 38
D. 40

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1 Answer

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by (61.2k points)
Correct Answer - c
Z=18
A=18 +20

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