A) Z neutrons and A - Z protons
B) Z protons and A-Z neutrons
C) Z protons and A neutrons
D) A protons and Z ~ A neutrons
Correct Answer: B
Solution :
\[_{Z}{{X}^{A}}\] has number of protons\[=Z\] and number of neutrons \[=A-Z\] where A is the total number of protons and neutrons ie,\[A=Z+N\]. NOTE: The proton is nothing but the nucleus of hydrogen atom ie, a hydrogen atom from which the single orbital electron has been removed.
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