Law of octaves says that if the chemical elements are arranged according to increasing atomic weight...........

General Studies (CGL) General Science

Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar

physical and chemical properties occur after each interval of elements.

This questions was previously asked in

SSC CGL 10 June 2019 Shift-1

- The Law of Octaves was proposed by John Newlands in 1865.

- According to this law, if elements are arranged by increasing atomic weight, similar properties repeat every eighth element.

- This means there is an interval of 7 elements where after which, similar properties reoccur.

Explanation of Options:

- Option 1: 10 – Suggests repetition after 10 elements, which is incorrect.

- Option 2: 5 – Suggests repetition after 5 elements, which is also incorrect.

- Option 3: 7 – Suggests repetition after 7 elements, which aligns with the Law of Octaves.

- Option 4: 9 – Suggests repetition after 9 elements, incorrect based on the law.

Submit Error