raquel6964 raquel6964
  • 02-10-2017
  • Chemistry
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Why did mendeleev switch iodine and tellurium?

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woodcaleigh26 woodcaleigh26
  • 02-10-2017
An example would be iodine has a lower relative atomic mass than tellurium, so it should come before tellurium in Mendeleev's table. In order to get iodine in the same group as the other elements with similar properties such as fluorine, chlorine, and bromine, he had to put it after tellurium, which broke his own rules.
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