The discovery of which of the following group of elements gave death blow to the Newlands law of octaves?

Question

The discovery of which of the following group of elements gave death blow to the Newlands law of octaves? (A) Inert gases (B) Alkaline earths (C) Rare earths (D) Actinides

Tardigrade Admin · Accepted Answer

With the discovery of inert gases (group zero in Mendeleefs periodic table), the law of octaves lost its original significance since, it was now the ninth element which had properties similar to the first one.

Q. The discovery of which of the following group of elements gave death blow to the Newlands law of octaves?

Inert gases

Alkaline earths

Rare earths

Actinides

With the discovery of inert gases (group zero in Mendeleefs periodic table), the law of octaves lost its original significance since, it was now the ninth element which had properties similar to the first one.