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Representative Elements

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The 'representative elements' are those in the first two columns and the last six of the periodic table. The middle region of the table represents the transition elements.

When chemists discuss the periodic nature of the elements they focus on mainly the 'representative elements'.

Find two websites that discuss the Periodic Table. Provide a short evaluation of the Periodic table based on the information provided at the site. Provide the urls for each website. Finally, explain what the 'representative elements' are and why they are used to explain trends more than transition elements.

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The periodic table categorizes all the ...

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Almost 100 words and 2 links for further reading explains the concept of using representative elements more than transition elements to illustrate trends.