Showing posts with label inorganic. Show all posts
Showing posts with label inorganic. Show all posts

Sunday, January 01, 2017

lanthanide and actinide | Dr/ Hossnia


 عناصر اللانثنيدات 











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 عناصر الاكتنيدات

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kinetic chemistry | Dr/ khairy

 😂✋لا خلاص مفيش قريبا 
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Thursday, December 29, 2016

Colloid & Surface | Dr Khaled

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