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  • Nuclear Chemistry and Atomic Structure
  • Atomic number of Na (Sodium) is _____.
Multiple choice

Atomic number of Na (Sodium) is _____.

  1. 12

  2. 11

  3. 13

  4. 18

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sodium (Na) has an atomic number of 11, meaning it has 11 protons in its nucleus.

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