شرح ساينس الصف الاول الاعدادي لغات
شرح ساينس اولي اعدادي

لينك تحميل الملزمة
https://drive.google.com/file/d/1BwqxkAptz0KCkhKAOp5SsOR8toaAcfkJ/view?usp=sharing

لينك تليجرام
https://t.me/mrahmedelbashagroup

In This Video :
Acids
They are substances (materials) which dissociate in water producing positive hydrogen ions H+
Bases
They are substances which dissociate in water producing negative hydroxide ions (OH)-
Oxides
They are compounds resulted from the combination between oxygen and an element even though it is a metal or a nonmetal.
Salts
They are compounds resulted from the combination of a positive metal ion (or a positive atomic group) with a negative atomic group (or a negative nonmetal ion except oxygen).


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