Across
- 3. - Fundamental governing rule
- 5. - Electron probability region
- 6. - d-block elements
- 7. - n, l, m, s numbers
- 10. - Group 1 metals
- 11. - Group 17 nonmetals
- 14. - s, p, d, f divisions
- 15. - Same element, different neutrons
- 16. - Orbital distance measure
- 18. - Intermediate properties
- 19. - Lowest energy arrangement
Down
- 1. - Pauli's principle on quantum numbers
- 2. - Proton count
- 4. - Electron arrangement in orbitals
- 8. - Rule: single occupancy before pairing
- 9. - Group 18 inert gases
- 10. - Principle: lowest energy orbitals fill first
- 12. - Horizontal rows
- 13. - Negatively charged particle
- 17. - Outermost bonding electrons
