15:01

Chromatography

10:27

Chemical trend of alkaline earth metal

17:34

Sublimation and solvent extraction

12:40

Chemical trend of alkali metals

07:54

Pecuilar behaviour of Be

15:24

Crystallization

16:25

Peculiar behaviour of lithium

16:44

Filteration and crystallization

13:40

S block element introduction and occourence

14:30

Analytical chemistry and filtration

15:22

Position of hydrogen

09:27

Yield

20:04

Limiting reactant

11:50

Oxides

11:06

August 7, 2020

17:53

Hydration energy and hallides

15:52

Molar volume and stiochiometry

10:15

Oxidation state electrical conductance and hydration energy(2)

07:20

Oxidation state electrical conductance and hydration energy(1)

21:52

Avogardo no and examples

23:05

Elecrtron affinit metallic and non metalic character and meling and boling point and trend

11:57

Concept of mole

06:52

Concept of mole

16:13

Ionic radius and ionization energy and its trend

17:15

Emperical formula by combustion analysis

14:10

Families blocks metalic chacter and atomic radius and trend

15:23

Emperical formula and its determination

08:49

Modern periodic table

12:07

Periodic table

16:00

Mass spectrometry

05:58

Cis trans isomerism

13:41

Relative atomic mass and electronic confugration

17:58

Isomerism

15:04

Isotopes

10:42

June 26, 2020

21:27

Hybridization of orbitals and shape of molcule

12:56

Ion

22:04

Evidence of atom

19:43

Classifications of organic compound

19:16

History of atom

25:37

Cracking and reforming

26:46

June 13, 2020

27:47

June 11, 2020

15:17

June 9, 2020