Chapter 3 Form 4 - Chemical Formulae & Equation ppt

Carbon-12 scale
avogadro constant

Chemistry Modul Form 5 - Organic Compound-

Organic Compound Module

fellow teachers and students..if u all find any errors or weaknesses in this module please do inform me via email jackoparov@yahoo.com or just put ur comment here..tq

Structure Of Atom Form 4- Powerpoint -

2.4(a) Electron-Arrangements

2.4(b) Valence-Electron

2.5 Scientists Contribution