Covalent structures and bonding
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Covalent bonding is one of three types of strong chemical bond.
It is important to distinguish giant and molecular structures with covalent bonding.
Substances such as diamond, graphite and silicon dioxide consist of giant structures with continuous networks of covalent bonds. They are very different from molecular substances with weak intermolecular forces between the molecules.
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- Hi, I need to know the answer to this question; "Draw 'dot and cross' diagrams for the following ionic compound, magnesium nitrate, showing all electrons. Show the charge on each ion in your diagrams." I don't know how to work out the electron configuration of nitrate, nor do I understand how it ionically bonds with the magnesium, please help!!
- Anhydrous aluminium chloride would be expected to be ionically bonded, but it exists under certain conditions as a covalently bonded dimer. What is the reason for this behaviour?
- I have 3 questions. 1) A low boiling point is evidence that propane is molecular. If it was liquefied under pressure, what would you expect an electrical conductivity test to show? 2) What difference in the covalent bonding in propene compared to propane? 3) What's a 'dot & cross' diagram? thanx alot for ur help!!
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updated: 09 July 2003

