define dobereiners triads and Lothar Meyer atomic volume curve
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DOBEREINERS LAW OF TRIADS
WHEN THREE CHEMICALLY SSIMILAR ELEMENT IN THE INCREASING ORDER OF THER ATOMIC MASSES INTO SET OF TRIADS
,THE ATOMIC MASS OF MIDDLE ONE IS AVERAGE OF OTHER TWO.
Li ---7
Na--23
K--39
Li+K/2==Na
7+39/2==46
hence the atomic mass of middle one is average of other two.
WHEN THREE CHEMICALLY SSIMILAR ELEMENT IN THE INCREASING ORDER OF THER ATOMIC MASSES INTO SET OF TRIADS
,THE ATOMIC MASS OF MIDDLE ONE IS AVERAGE OF OTHER TWO.
Li ---7
Na--23
K--39
Li+K/2==Na
7+39/2==46
hence the atomic mass of middle one is average of other two.
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