Slideshare (adab-2013)lesson#-4-relationship-(self)-(14-sept-2013)
Slideshare (adab-2013)lesson#-7-relationship-(adab-in following-madzhab)-(5-oct-2013)
Slideshare (adab-2013)lesson#-5-relationship-(parents)-(21-sept-2013)
Chapter 3 - Atoms: the building blocks of matter Taken from Modern Chemistry written by Davis, Metcalfe, Williams & Castka.
