Chemistry · Classification of Elements and Periodicity in Properties
हिन्दीJohn Alexander Newlands proposed the Law of Octaves in 1865. According to this law, the properties of every eighth element are similar to those of the first element. This relationship was found to be true only up to which element?
Correct answer · Option 2
Calcium
Explanation
Newlands' Law of Octaves worked well only for lighter elements up to calcium (atomic mass 40), after which every eighth element did not possess similar properties.