Across
- 1. __ compounds can conduct electricity in the molten and aqueous state but not in the solid state.
- 4. What elements are found on the right side of the periodic table?
- 5. Covalent molecules __ electrons with each other.
- 9. What type of splint do you use to test for oxygen gas?
- 10. What is a negative ion called?
- 11. Litmus paper turns from red to blue in the presence of __.
- 13. __ molecules cannot conduct electricity in any state.
Down
- 2. What is a positive ion called?
- 3. Salt and __ are produced from neutralisation.
- 4. What is the reaction between acid and base?
- 6. Salt and __ are produced from the reaction between metal and acid.
- 7. Ammonium salts have __ properties.
- 8. What type of splint do you use to test for hydrogen gas?
- 12. What oxides are basic oxides?