If nucleon and proton number of argon is 40 and 18 respectively, respective number of electrons and neutrons will be

If nucleon and proton number of argon is 40 and 18 respectively, respective number of electrons and neutrons will be
  • A. 22 and 40
  • B. 18 and 22
  • C. 18 and 40
  • D. 22 and 28
  • Correct Answer: Option B
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