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Dobereiner triads class 10

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Dobereiner triads class 10

E
Extraminds

9 Views • May 07, 2018

Description

dobereiner triads class 10
In 1817 a German chemist Johann Wolfgang Döbereiner arranged the elements with similar properties into groups. Some groups were identified having three elements each. So he called these groups 'triads'. Only three triads could be identified from the elements discovered at that time.