Question

what are triads and write how does deeberiener classify

Answer 1

Triads according to dobereiner :3 elements continuously in same group

According to dobereiner  ,the law of triads states that the mass of middle element is nearly the  average of  mass of other two elements .

eg :lets take Li, Na,K the mass of Li=7,K=39

so7+39/2=23

limitations of this law:

*It is applicable for 3 triads or 9 elements.

*he told that the properties the elements in traids are same ,but they are not same

*there were many other elements too.

Answer 2

Hey mate..

Triads according to dobereiner :3 elements continuously in same group

According to dobereiner  ,the law of triads states that the mass of middle element is nearly the  average of  mass of other two elements .

eg :lets take Li, Na,K the mass of Li=7,K=39

so7+39/2=23

limitations of this law:

*It is applicable for 3 triads or 9 elements.

*he told that the properties the elements in traids are same ,but they are not same

*there were many other elements too.

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