Across
- 3. freezing point of this substance is 0 degree celsius
- 4. substances formed by chemical combination of atoms of two or more elements
- 7. substances that are made up of atoms of same kind
- 8. molecules vibrate to and fro about their mean positions
- 10. process which produces cooling effect
Down
- 1. the process by which gas changes into liquid
- 2. process by which solid changes into its liquid state.
- 5. energy due to motion
- 6. the conversion of gas into solid
- 9. intermolecular forces are very weak