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ورقة عمل كيمياء 1 مسارات الفصل الثالث { كيف تختلف الذرات }

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ورقة عمل كيمياء 1 مسارات الفصل الثالث

{ كيف تختلف الذرات }

أجب:

ــ ما المقصود بـ العدد‏ ‏الذري؟

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

ـــ ما المقصود بـ العدد‏ ‏الكتلي؟

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

ــ ما المقصود بـ النظائر‏؟

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

ـــ ما هو القانون المستخدم في حساب الكتلة الذرية ‏‎:‎؟

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

أكمل:

ــــ رمز عنصر الذهب هو ‏‎.......................‎‏

ــــ رمز عنصر الزنك هو ...........................

ـــ رمز عنصر الزئبق هو ...........................

ـــ رمز عنصر الرصاص هو ...........................

شاهد ايضا: ورقة عمل كيمياء 1 مسارات الفصل الثالث { الأفكار القديمة للمادة }

ورقة عمل كيمياء 1 مسارات الفصل الثالث { كيف تختلف الذرات }

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