S2.2.7 Describe the structure of and bonding in silicon and silicon dioxide [SL IB Chemistry]
Автор: Richard Thornley
Загружено: 2011-04-18
Просмотров: 66443
Описание: Both are macromolecules (giant covalent structures) with many strong covalent bonds. Silicon has the same arrangement of atoms as diamond, and silicon dioxide (sand) is the same as silicon - just pop an O atom between each silicon pair. Since there are no delocalised electrons, both chemicals are electrical insulators. (HL only : all atoms are sp3 hybridised)
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