Chemistry, asked by Vithyaghar, 1 year ago

what are the achievements by the dobereinees triads

Answers

Answered by ayushSharma111
4
The German ty ttchemist, Johann Dobereiner in early 1800's was the first to consider the idea of trends tt among propertiestt tt of elements. By 1829 he noted tt a similarity ty among the physicaltt and tt chemical yt properties of several groups of three elements (Triads).
Ignore tt and ty in lines
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Answered by GeniusShweta
4
Answer=》

Dobereiner, a German chemist has made an attempt to arrange the elements with similar properties into groups having three elements each.He called this groups triad.

=》He showed that when the three elements in a triad were arranged in the order to increasing masses, the atomic mass of middle element was roughly equal the atomic masses of the other two elements..

EXP--->
Elements. Atomic mass
Li.------------- 7
Na.-----------23
K. ------------39
According to Dobereiner....


7+39/2
=》46/2
=》23.....

hope u understand.......

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