Across
- 1. valency of noble gases
- 4. an amphoteric metal with valency +2 and +4
- 5. an element whose electronic configuration is 2,8,1 is likely to be a ______
- 7. the common name of copper[1] chloride
- 9. a reversible thermal decomposition
- 13. carbon dioxide in water can be separated by_______
- 14. the displaced product formed when sodium reacts with cold water
- 15. the chemical name for dinitrogen monoxide
Down
- 2. subatomic particle with negligible mass
- 3. scientist who discovered neutron
- 6. a double decomposition reaction where an acid and base reacts to give salt and water
- 8. a gas that is highly soluble in water
- 10. metalloid in period 3
- 11. maximum number of electrons in L shell
- 12. neutral gas obtained on thermal decomposition of potassium nitrate