Multiple choice

The Law of Octaves was given by...?

  1. Mendeleev John

  2. Dobereiner

  3. Newlands

  4. Bohr

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

John Newlands proposed the Law of Octaves in 1865, which stated that elements exhibit similar properties when arranged by increasing atomic mass, repeating every eighth element.