Across
- 2. can be pulled into long wires
- 4. father of the periodic table
- 6. pure substance that consists of one type of atom
- 9. group one metals except hydrogen
- 11. has no charge
Down
- 1. determines how the periodic table is organized
- 3. chemically unactive
- 5. located on the staircase
- 7. has a negative charge
- 8. has a positive charge
- 10. horizontal rows