Question

Write and explain any three triads given by dobereiner?
Batado

Answer 1

ANSWER:-

Dobereiner's law of triads states that, the atomic mass of the middle element of a triad is the arithmetic mean of the atomic masses of the other two elements. Example: In the triad of lithium, sodium and potassium. ... All the known elements could not be arranged in the form of triads.

Answer 2

HEY DEAR USER _____

HERE IS UR ANSWER _____

❇ 1ST REAL ATTEMPT - BY JOHANN WOLFGANG DOBEREINER IN 1817 .

❇ HE TRIED TO ARRANGE KNOWN ELEMENTS INTO GROUPS OF THREE ( TRIADS ) .

❇ BASES OF CLASSIFICATION :-

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*-* WHEN WRITTEN IN INCREASING ORDER OF ATOMIC MASSES THE MASS OF MIDDLE ELEMENT WAS TOUGHLY THE AVERAGE OF THE MASSES OF THE OTHER ELEMENT .

❇ THEIR TRIADS ARE :-

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*-* LITHIUM - SODIUM - POTASSIUM .

CALCIUM - STRONTIUM - BARIUM .

CHLORINE - BROMINE - IODINE .