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Date: 15-2-2018
2257
Date: 3-1-2017
1308
Date: 12-11-2020
1984
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An example of linear electron pair and molecular geometry is BeH2. This molecule is electron deficient and does not follow the octet rule because it has only 4 valence electrons. The hydrogen atoms are as far apart as possible if opposite each other at 180o; this is linear geometry.
Beryllium hydride is a solid at room temperature. It does not have any common uses and all beryllium compounds are quite toxic.
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علامات بسيطة في جسدك قد تنذر بمرض "قاتل"
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أول صور ثلاثية الأبعاد للغدة الزعترية البشرية
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مكتبة أمّ البنين النسويّة تصدر العدد 212 من مجلّة رياض الزهراء (عليها السلام)
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