Across
- 4. column in the periodic table
- 6. Group 7A
- 7. row in the periodic table
- 8. elements that are good conductors of heat and current
- 10. Group 1A, minus hydrogen
- 11. elements with properties between metals and nonmetals
- 12. one twelfth the mass of carbon-12 atom; mass of a proton or neutron
- 14. electron that is in the highest occupied energy level of an atom
Down
- 1. pattern of repeating properties displayed by elements on the periodic table
- 2. Group 2A
- 3. elements that form a bridge between the right and left side of the periodic table
- 5. Group 8A, AKA inert gases
- 9. arrangement of elements in columns, based on properties that repeat from row to row
- 13. elements that are poor conductors of heat and current