Question

define dobereiner triads_???​

Answer 1

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Dobereiner's Law of Triads

The German scientist, Johann Dobereiner in early 1800's was the first to consider the idea of trends among properties of elements. By 1829 he gave his law of triads in which a group of three elements possessing similar characteristics, the atomic mass of the central element was merely the arithmetic mean of the atomic masses of the other two elements (see table). The properties of the middle element were in between those of the other two members

Answer 2

Answer:

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