Across
- 4. elements in group 2A
- 5. element in the highest energy level
- 7. properties are between metal and nonmetal
- 9. pattern of repeating properties
- 11. the elements in group 7A
- 14. elements arranged in columns and rows
Down
- 1. poor conductors of heat and electricity
- 2. a row in a periodic table
- 3. Elements and group 1A, not hydrogen tho
- 6. a column of elements in a periodic table
- 8. The elements in group 8A
- 10. form bridge between the table ends
- 12. elements that are good conductors of heat
- 13. one twelfth the mass of a carbon-12 atom