Common phrases used in chemistry

1. "Chemical reaction"

2. "Molecular structure"
3. "Atomic weight"
4. "Electron configuration"
5. "Valence electrons"
6. "Periodic table"
7. "Chemical bonding"
8. "Molar concentration"
9. "Acid-base reaction"
10. "Chemical equilibrium"
11. "Catalyst"
12. "Reaction rate"
13. "Ionization energy"
14. "Redox reaction"
15. "Hydrogen bonding"
16. "Polymerization"
17. "Entropy"
18. "Exothermic reaction"
19. "Endothermic reaction"
20. "Lewis structure"