Atomic Structure Question 459

Question: An atom has 26 electrons and its atomic weight is 56. The number of neutrons in the nucleus of the atom will be

Options:

A) 26

B) 30

C) 36

D) 56

Show Answer

Answer:

Correct Answer: B

Solution:

  • $ _{26}X^{56} $

$ A=P+N=Z+N=E+N $

$ N=A-E=56-26=30 $



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