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Date: 6-2-2018
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Date: 29-3-2017
1347
Date: 17-6-2019
1213
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Cesium iodide, CsI - mp/bp 626/1280 °C.
Even with the (8,8) coordination afforded by the CsCl structure, this is a pretty sorry combination owing to the low charge densities.
The weakness of coulombic- compared to van der Waals interactions makes this the least-"ionic" of all the alkali halide solids.
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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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