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Date: 29-11-2018
907
Date: 19-10-2018
1210
Date: 30-3-2019
1032
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Group 1 Metals: Reactivity
We have already described the behaviour of the metals in liquid NH3. The ultimate products are alkali metal amides and LiNH2, NaNH2 and KNH2 are important reagents in organic synthesis. In the solid state, these amides adopt structures consisting of cubic close-packed [NH2]- ions with M ions occupying half the tetrahedral holes.
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دراسة تحدد أفضل 4 وجبات صحية.. وأخطرها
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جامعة الكفيل تحتفي بذكرى ولادة الإمام محمد الجواد (عليه السلام)
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