1. tronsformation of a gas into liquid

2. a positively charged part of atom or group of atoms

3. a cyclic hydrocorbon which is non aromatic

4. STP

5. a substance that can accept an electron pair

6. the study of hydrocorbons and their activities

7. a formulla which defines the bonding and arrengement of atoms present in compund

8. chemical kinetics

9. Latin for water

10. to make less concentrated

11. having both acidic and basic chrectristics

12. A covalent bond in which a pair of electron is shared between two atoms

13. a substance that can donate an electron pair

14. the opposite side for refference plan

15. corbon dioxyde in solid farm