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21-11-2017
Chemistry

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How does the modern Periodic Table of the Elements differ form Mendeleyev's chart?

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tcopelandstone tcopelandstone

21-11-2017

The Period Table of Elements has more elements that have been discovered since Mendeleyev's time.

In the modern table the elements are arranged with increasing atomic number. In Mendeleyev's table, they were arranged with increasing atomic weight.

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