The incorrect statement among the following is:
- AThe first ionisation energy of Al is less than the first ionisation energy of Mg
- BThe second ionisation energy of Mg is greater than the second ionisation energy of Na
- CThe first ionisation energy of Na is less than the first ionisation energy of Mg
- DThe third ionisation energy of Mg is greater than third ionisation energy of Al
✓ Correct answer: B
Want the full step-by-step reasoning?