1. 1 chem exercise matter unit figure
40분
2. 2 chem exercise periodicity
42분
3. 3 chem exercise bonding
38분
4. 4 chem exercise covalent bond
31분
5. 5 chem exercise intermolecular force
44분
6. 6 chem exercise nomenclature
37분
7. 7 chem exercise mole 1
62분
8. 8 chem exercise mole 2
48분
9. 9 chem exercise enthalpy 1
42분
10. 10 chem exercise enthalpy 2
28분
11. 11 chem exercise energy 1
38분
12. 12 chem exercise energy 2
18분
13. 13 chem exercise kinetics 1
35분
14. 14 chem exercise kinetics 2
23분
15. 15 chem exercise equilibrium 1
29분
16. 16 chem exercise equilibrium 2
28분
17. 17 chem exercise acid base 1
30분
18. 18 chem exercise acid base 2
23분
19. 19 chem exercise acid base 3
38분
20. 20 chem exercise redox
34분