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ورقة عمل كيمياء 1 مسارات الفصل الثالث { تعريف الذرة }

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اخر تحديث :

ورقة عمل كيمياء 1 مسارات الفصل الثالث

{ تعريف الذرة }

أجب:

ــ ما المقصود بالذرة؟

......................................

ـــ ما هي تقنية النانو؟

......................................

ــ ما هو الجهاز المستخدم في رؤية الذرة‏؟

.......................................

ـــ طومسون لتحديد كتلة وشحنة؟

.....................................

أكمل:

ــــ رمز عنصر النحاس هو ‏‎.......................‎‏

ــــ رمز عنصر البلاتين هو ...........................

ـــ رمز عنصر الفضة هو ..............................

علل:

س‎/‎‏ تتأثر اشعة المهبط بالمجالين الكهربائي و المغناطيسي؟

.................................................

س‎2‎‏ ‏‎/‎‏ علل ‏‎:‎‏ توجد اشعة المهبط في جميع المواد؟

................................................

س ‏‎/‎‏ ‏علل ‏الذرة ‏المستقرة ‏متعادلة ‏كهربائياً ؟

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