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