Classification of Elements Part 1

Section: Chemistry

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Question : 31 of 100

Marks: +1, -0

Which one of the following statements for D.I.
Mendeleeff, is incorrect?

[22 Jul 2021 Shift 2]

He authored the textbook – Principles of Chemistry.
At the time, he proposed Periodic Table of elements structure of atom was known.
Element with atomic number 101 is named after him.
He invented accurate barometer.

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