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Question : In which year did AEB de Chancourtois organise the elements by atomic weight by graphing the elements around a cylinder with a circumference of 16 units, corresponding to the weight of oxygen (O)?

Option 1: 1862

Option 2: 1860

Option 3: 1870

Option 4: 1868


Team Careers360 3rd Jan, 2024
Answer (1)
Team Careers360 7th Jan, 2024

Correct Answer: 1862


Solution : The correct option is 1862 .

A.E.B. de Chancourtois attempted to organise the elements by atomic weight using a cylindrical representation, and he called this arrangement the Telluric Helix. He proposed this system in 1862. In the Telluric Helix, elements were arranged around a cylinder in order of increasing atomic weight, with a single loop corresponding to a revolution around the cylinder.

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