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Date: 5-4-2019
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Date: 24-6-2017
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Date: 21-2-2019
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Locating Those Electrons
Many of the important topics in chemistry, such as chemical bonding, the shape of molecules, and so on, are based on where the electrons in an atom are located. Simply saying that the electrons are located outside the nucleus isn’t good enough; chemists need to have a much better idea of their location, so this section helps you figure out where you can find those pesky electrons.
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دراسة: حفنة من الجوز يوميا تحميك من سرطان القولون
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تنشيط أول مفاعل ملح منصهر يستعمل الثوريوم في العالم.. سباق "الأرنب والسلحفاة"
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المجمع العلمي يقيم دورة تطويرية عن أساليب التدريس ويختتم أخرى تخص أحكام التلاوة
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