An element with mass number 81 contains 31.7% more neutrons... | Chemistry | SolveeIt | Solveeit

Today, August 24

Question

An element with mass number 81 contains 31.7% more neutrons as compared to

A

$\\\\_{40}X^{81}$

B

$\\\\_{35}X^{81}$

C

$\\\\_{81}X^{31.7}$

D

$\\\\_{40}X^{81}$

Answer

$\\\\_{35}X^{81}$

Explanation

Solution

The correct option is (B): $\\\\_{35}X^{81}$