Across
- 1. the vertical columns in the periodic table
- 2. type of bonding between metals and non-metals
- 4. element found in the periodic table which has no neutrons
- 6. the element found in group 4, period 3
- 8. giant structures visible to naked eye
- 10. type of elements which share electrons to form compounds
- 11. a noble gas with one electron shell
- 12. the crystal structure formed when metals and non-metals bond
Down
- 1. the only non-metal which conducts electricity
- 3. formed by elements when they lose or gain electrons
- 4. another name given to group 7 elements
- 5. the hardest material on Earth
- 7. the horizontal rows in the periodic table
- 9. type of bonding between non-metals