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16-04-2016
Chemistry

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In 1869 many chemists did not agree with mendeleev's periodic table. Three reasons why.

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Awesomeness1912 Awesomeness1912

17-04-2016

1) The position of isotypes couldn't be explained
2. Wrong order of atomic masses of some elements couldn't be explained and he arranged them in order of increasing atomic masses.
3)A correct position could NOT be assigned to hydrogen.
I think those are 3 anomalies to the table

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