What were the demerits of Newlands’ Octaves?

1.	What were the demerits of Newlands’ Octaves?
Answer» Demerits of Newlands’ Octaves: i. Out of the 56 elements known, Newlands arranged the elements only upto calcium. ii. After calcium, every eighth element did not possess similar properties to those of the first. iii. In order to fit the existing elements, Newlands placed two elements in the same position which differed in their properties.

Answer»

Demerits of Newlands’ Octaves:

i. Out of the 56 elements known, Newlands arranged the elements only upto calcium.

ii. After calcium, every eighth element did not possess similar properties to those of the first.

iii. In order to fit the existing elements, Newlands placed two elements in the same position which differed in their properties.

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