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9 December, 08:06

What did johann wolfgang döbereiner contribute to the periodic table?

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  1. 9 December, 08:16
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    His work foreshadowed the periodic table. He tried organizing elements into triads, a set of 3 elements with similar properties. In each triad the mean of the lightest and heaviest atomic weight equaled to approximately the atomic weight of the middle element.
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