Across
- 1. Name given to the columns in the periodic table.
- 3. Type of bond formed between non metals.
- 5. Number of electrons that can be carried by the second and third electron shells.
- 6. Charge carried by metal ions.
- 7. Gas produced when alkali metals react with water.
- 10. The number which tells us the combined number of protons and neutrons in the nucleus.
- 13. The type of gasses in group 0 of the periodic table.
- 14. Number which tells us the number of protons in the nucleus.
Down
- 2. Name given to the rows in the periodic table.
- 4. Charge carried by ions of non metals.
- 8. Group of the periodic table which contains the alkali metals.
- 9. Subatomic partical which has no charge.
- 11. Group of the periodic table which contains elements which have seven electrons in their outer electron shells.
- 12. Type of bond formed between metals and non metals.
- 15. A charged particle.