Question

According to Newlands the 3rd element will resemble in its properties to-
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Answer 1

Answer:

John Newlands arranged the known elements in increasing order of their atomic masses. He started with the element having the lowest atomic mass ( hydrogen ) and ended at thorium which was the 56th. According to his law, when elements are arranged in order of their increasing atomic masses, the properties of 8th succeeding element resemble with that of the first one. The properties of fluorine are similar to those of hydrogen because fluorine is eight-element starting from hydrogen.

Explanation: