التركيب الذرى للمادة / العناصر والذرات

The video tutorial explains the composition of molecules from atoms and how similar atoms form elements. It introduces the use of chemical symbols by chemists to represent elements easily. The tutorial covers the rules for writing these symbols, including the use of uppercase and lowercase letters, and how to differentiate symbols with similar initial letters. It also highlights that not all symbols are derived from English, with some originating from Latin, affecting their pronunciation and representation.

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