Question

State Dobereiner's
law of triads giving one
example​

Answer 1

Answer:

in 1817 , JW Dobereiner a German chemist gave this arrangement of elements.

he arranged with similar properties in the groups of 3 called triads.

according to Dobereiner the atomic mass of the central element was merely the arithmetic mean of atomic masses of the other two elements.

example : lithium , sodium , potassium

Answer 2

Q. State Dobereiner's law of triads giving

one example

Answer :

Dobereiner made groups of three elements each, having similar chemical properties and called them triads. He arranged the three elements in a triad in an increasing order of atomic mass and showed that the atomic mass of the middle element was approximately equal to the mean of the atomic masses of the other two elements.

Example :

Lithium ( Li ) , Sodium ( Na ) , potassium ( k ) form Dobereiner's triad

__________________________________

Answered by

@llSugarXSweetll