good chemistry site

[abu-omar]

A good site for chemistry
It is free for school ansd university


http://www.smuhsd.k12.ca.us/bhs/science-dept/marcan/APchemistry.html

 

[Alhashemiah]

جزاك الله خيرا ... ​

 

[lollaz]

الف الف شكر , انا فعلا كنت محتاجه الموقع ده