Chemistry · Atomic Structure
Match the elements in Column I with their correct electron distribution in Column II according to the Bohr–Bury rules: Column I (Element): A. Sodium (Na) B. Magnesium (Mg) C. Aluminium (Al) D. Calcium (Ca) Column II (Electron Distribution): 1. 2, 8, 22. 2, 8, 13. 2, 8, 34. 2, 8, 8, 2
- 1A–1, B–3, C–2, D–4
- 2A–2, B–3, C–1, D–4
- 3A–2, B–3, C–4, D–1
- 4A–2, B–1, C–3, D–4✓
Correct answer
A–2, B–1, C–3, D–4
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