Question

state the Newland law of octaves and dobereiners triads

Answer 1

Newland law of octaves states that : When elements are arranged it was found that every eighth element had properties similar to that of the first. e.g properties of sodium and Lithium are the same.

Dobereners traids : When the elements were written in order of increasing atomic masses
the atomic mass of the middle was the average of the atomic mass of the other two elements.

Answer 2

doebreiners. traids. he arranged similar element in group of three and showed their atomic weight are either nearly equal to the same or the atomic weight of the middle element is approxmently the arithmatics mean of the other two these groups of three element called the law of trids


Newlands. law of octaves. when the lighter element were arranged in order of their in creasing atomic weight. the properties of every eight element were similar to those of the Firestone like eight note of a musical scale this. generalisation are called. Newlands lwa of octaves. i hope ur help