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Date: 26-11-2019
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Date: 18-7-2019
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Date: 11-9-2018
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Understanding the location of electrons and being able to draw the curly arrows that depict the mechanisms by which the reactions occur is one of the most critical tools for learning organic chemistry since they allow you to understand what controls reactions, and how reactions proceed.
Before you can do this you need to understand that a bond is due to a pair of electrons between atoms.
When asked to draw a MECHANISM, curly arrows should be used to show ALL the BONDING changes that occur.
A few simple lessons
Lesson 2
Lesson 3
Lesson 4
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تفوقت في الاختبار على الجميع.. فاكهة "خارقة" في عالم التغذية
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أمين عام أوبك: النفط الخام والغاز الطبيعي "هبة من الله"
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قسم شؤون المعارف ينظم دورة عن آليات عمل الفهارس الفنية للموسوعات والكتب لملاكاته
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