Which one of the following statements for D.I. Mendeleeff, is incorrect?
Which one of the following statements for D.I. Mendeleeff, is incorrect?
Option 1 -
At the time, he proposed periodic table of elements structures of atom was known.
Option 2 -
Element with atomic number 101 is named after him.
Option 3 -
He invented accurate barometer.
Option 4 -
He authored the textbook – Principles of Chemistry.
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