Period 3 chemistry

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I am studying OCR AS Chemistry, and in my syllabus it tells me to appreciate that there is gradual transition from the extremes of ionic bonding to the extremes of covalent bonding. I have tried to find examples, or an explanation in my textbook, notes, and lots and lots of websites, but can't find anything. Can you help?

Good examples are the oxides and chlorides of period 3 elements.
 
See on this web site:
http://www.chemistry-react.org/go/Topic/A2Chemistry/Topic_53.html
 
Look at the two web guides - one for oxides and the other for chlorides.

Risk assessment
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updated: 17 December 2006