Q.

The mass number of x is 81 and it contain 31.7% more neutrons when compared to protons. Then x is represented as

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a

b

c

d

answer is B.

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Detailed Solution

mass number = 81given that number of neutrons are 31.7% more than protonslet no. of protons = xno. of neutron = 1.317 xNumber of protons + Number of neutrons = mass numberx + 1.317x = 812.317x = 81  Thus, number of protons = 35The nuclide is
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