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استعن بالله ثم اجب عن الاسئلة التالية
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Q1
Score: 20
طومسون
دالتون
رذرفورد
Q2
Score: 20
البروتونات
النيوترونات
الالكترونات
Q3
Score: 20
صح
خطأ
Q4
Score: 20
المركب
المخلوط
العنصر
Q5
Score: 20
صح
خطأ
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