Across
- 2. a column of elements in a periodic table
- 6. the elements in group 2A of the periodic table
- 7. the elements in group 1A of the periodic table, not including hydrogen
- 8. metals that form a bridge between elements on the left and right sides of the periodic table
- 9. elements that are poor conductors of heat and electric current
- 11. the elements in group 8A of the periodic table
- 12. elements with properties that fall between those of metals and nonmetals
- 13. a row in a periodic table of elements
Down
- 1. one twelfth the mass of a carbon-12 atom
- 3. the elements in group 7A of the periodic table
- 4. elements that are good conductors of heat and electric current
- 5. elements with properties that fall between those of metals and nonmetals
- 10. the pattern of repeating properties displayed by elements in the periodic table