Q. The atomic number of sodium is:

  • (A) 9
  • (B) 10
  • (C) 11
  • (D) 12
✅ Correct Answer: (C) 11
Explanation: Sodium has 11 protons in its nucleus, hence atomic number is 11.

Published by Jyoti ⭐ 1.79K Points at 15-Jun-2026 03:00 pm in Chemistry

Explanation by: Jyoti
Sodium has 11 protons in its nucleus, hence atomic number is 11.

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