2= Number of protons A= Total number of protons and number ∴ Number of neutrons A=A−Z
A nucleus represented by the symbol _ A^ A X has:
NEET UG 2004 — Physics Modern Physics
2004mcqeasy
A nucleus represented by the symbol AAX has:
Official previous-year question
Held on 30 Apr 2004 · Verified 9 Jul 2026.
Options
- A
Z neutrons and A−Z protons
- B
Z protons and A−Z neutrons
- C
Z protons and A neutrons
- D
Z protons and Z−A neutrons
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