write the short note on Doberiner law os triads
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Answer:
According to Dobereiner's law of triads, when elements are arranged in increasing order of their atomic masses, a group of three elements with similar chemical properties is obtained. ... The atomic mass of the middle element is equal to the arithmetic mean of the atomic masses of the other two elements.
Answer:
Dobereiner's triads were groups of elements with similar properties that were identified by the German chemist Johann Wolfgang Dobereiner. He observed that groups of three elements (triads) could be formed in which all the elements shared similar physical and chemical properties.
Dobereiner law of triads states that the average of the atomic masses of the first and third element in a triad will be roughly equal to the atomic mass of the second element in that triad. He suggested that this law can be extended for other properties of elements like density.