Periodic table related information and knowledge for students/ easy way to understand periodic tabel Скачать
Atom ,molecules element and compound with example/difference b/w element and compound/typeof element Скачать
Branches of chemistry| Analytical ,biochemistry, radio active, organic and Inorganic chemistry Скачать
#organic chemistry # type of molecules Organic chemistry Introduction / different type of moleculues Скачать
Difference b/w chemistry and chemical engineering...and important knowledge of chemical engineering Скачать
