Across
- 3. Formula A group of chemical symbols and numbers that represent the element and the number of atoms
- 5. How readily a substance combines chemically with other substances
- 7. Elements along the staircase: Have both metals and nonmetals
- 8. A column on the periodic table; another name for group
- 10. Group 18: Nonreactive family for nonmetals
Down
- 1. Elements that are good conductors of electric current and heat
- 2. A horizontal row of elements in the periodic table
- 4. Russian chemist who developed the periodic table of chemical elements
- 6. Elements that are poor conductors of heat and electric current
- 9. A column on the periodic table