Limitations of Newlands’ Law of Octaves

1. The law of octaves was found to be applicable only up to calcium. It was not applicable to elements of higher atomic masses.
2. He thought that only 56 elements existed in nature and no more elements were discovered in future. But the discovered elements were not accommodated in the octaves.
3. In order to fit elements into octaves, Newland adjusted two elements in the same slot which were not similar.