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Date: 19-10-2018
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Date: 22-11-2018
1169
Date: 20-12-2018
845
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Noble gases have always been believed to be inert with other group 18 elements. However, in 1962 the first noble gas compound was produced by Neil Bartlett, combining xenon, platinum and fluorine. It is now possible to produce xenon compounds in which the oxidation states range from +2 to +8(!). Most of the known xenon compounds contain the strongly reducing fluorine or oxygen atoms. Xenon Halides: a binary compound consisting of a halogen and an element with a higher ionization
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"عادة ليلية" قد تكون المفتاح للوقاية من الخرف
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ممتص الصدمات: طريقة عمله وأهميته وأبرز علامات تلفه
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المجمع العلمي للقرآن الكريم يقيم جلسة حوارية لطلبة جامعة الكوفة
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