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Date: 29-11-2018
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Date: 4-11-2018
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Date: 2-1-2018
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Saline (salt-like) hydrides
Group 1 metal hydrides are white crystalline solids; each contains the metal ion and a hydride ion, H-. They have the same crystal structure as sodium chloride, which is why they are called saline or salt-like hydrides. Because they can react violently with water or moist air, they are normally supplied as suspensions in mineral oil.
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لخفض ضغط الدم.. دراسة تحدد "تمارين مهمة"
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طال انتظارها.. ميزة جديدة من "واتساب" تعزز الخصوصية
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اللجنة التحضيريّة تعلن انتهاء الاستعدادات لإقامة مؤتمر (ذاكرة الألم في العراق)
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