Question

What is the electronic configuration of a sodium ion Na⁺ ?

• A. 1s² 2s² 2p⁶
• B. 1s² 2s² 2p⁶ 3s¹
• C. 1s² 2s² 2p⁶ 3s²
• D. 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹

Answer 1

Answer:

A. 1s² 2s² 2p⁶

• The electronic configuration of sodium is - 1s² 2s² 2p⁶ 3s¹

• The electronic configuration of sodium ion is - 1s² 2s² 2p⁶