Question

Newlands law of octaves?????

Answer 1

It states that when elements are arranged in increasing order of the atomic mass than every eight element resembles the property of the first element..

Answer 2

In 1866,John Newlands,an English scientist,arranged the then known elements in the order of increasing atomic masses.He started with the element having the lowest atomic mass (hydrogen)and ended at thorium with was the 56th element.He found that every eight element had properties similar to that of the Frist.