Across
- 3. Solid without long-range order
- 5. Compound existing in multiple crystal forms
- 7. Vertical column of elements
- 12. Mixture of metals
- 13. Lacking regular atomic arrangement
- 15. Strong permanent magnetic material
- 17. Element in f-block, atomic numbers 89–103
- 18. Solid with repeating atomic structure
- 20. Smallest repeating part of crystal lattice
- 21. Arrangement of atoms in solid
- 22. Regular three-dimensional atomic array
- 24. Element in f-block, atomic numbers 57–71
Down
- 1. Different structural form of same element
- 2. Solid with ordered atomic pattern
- 4. Number of atoms touching a central atom
- 5. Horizontal row of elements
- 6. Substance with unpaired electrons
- 8. Repeating patterns in periodic table
- 9. Compound of distinct metal atoms
- 10. Metal with variable oxidation states
- 11. Predictable property change across a period
- 14. Substance with all electrons paired
- 16. Net positive charge felt by valence electrons
- 19. Energy released when ionic solid forms
- 23. Size of an ion in a crystal lattice