Across
- 4. elements in group 2A
- 5. electrons on the outermost ring of electrons
- 7. have properties of both metals and nonmetals
- 9. the pattern of repeating properties displayed by elements
- 11. elements in group 7A
- 14. table of organized elements
Down
- 1. bad conductors of heat and electric currents
- 2. rows on the table of elements with increasing atomic numbers
- 3. elements in group 1A not including hydrogen
- 6. a column of elements in the periodic table
- 8. elements in group 8A
- 10. elements in the middle of the table
- 12. good conductors of heat and electric currents also malleable
- 13. one twelfth the mass of a carbon-12 atom