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Introduction of atomic structure chemistry - شرح نظرية الذرة اول درس كيمياء تانية ثانوي لغات الجزء 2
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Second Sec.( 2022/2023 ) - Chapter 1 - Lecture 1 - Atomic Structure - Dr. Joseph Adel
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Chemistry | senior 2 first term 2023 chapter (2)lesson 1 | The periodic table | دكتور/محمود المشتولى
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