In 1864, the English Chemist John Newlands Noticed That When

Multiple Choice

In 1864, the English chemist John Newlands noticed that when the elements were arranged in order of increasing atomic mass, every eighth element had similar properties. Newlands referred to this relationship as the

A) law of periodicity.
B) law of loopholes.
C) law of octaves.
D) law of orbitals.
E) law of proportionality.