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The atomic mass of the central element was merely the arithmetic mean of the atomic masses of the other elements. This law of classification of elements is known as ____________.

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Newlands law of octaves

Dobereiner law of triads

Mendeleev’s law

Luther Mayer

answer is B.

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Detailed Solution

The atomic mass of the central element was merely the arithmetic mean of the atomic masses of the other elements. This law of classification of elements is known as Dobereiner law of triads.

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