Calculate the number of neutrons present in the nucleus of an element X which is represented
NEET Foundation 2022.
Biology Foundation for Class 10.
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Answer:
Mass number (A) = No. of protons (Z) + No. of neutrons
But the mass number is given as 31 and the number of protons is 15.
No. of protons (Z) + No. of neutrons = 31
Number of neutrons = 31 – number of protons
Number of neutrons = 31 - 15 = 16
16 neutrons are present in the nucleus of the element X.