The total number of electrons in 4.2 g of N³⁻ ion is (Nₐ is the Avogadro’s number)
- A2.1 Nₐ
- B4.2 Nₐ
- C3 Nₐ
- D3.2 Nₐ
✓ Correct answer: C
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Question ID #431534 · NewNcert