Class 11 Chemistry Classification of Elements and Periodicity in Properties History of periodic table

Easy

Which of the following information was not known at the time when Mendeleev's periodic table was constructed?

A
Atomic mass
B
Atomic number
C
Valency
D
Chemical properties

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

History of periodic table

Similar Questions

Write the drawbacks in Mendeleev's periodic table that led to its modification.

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On the basis of which property did Mendeleev arrange the elements?

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The modern periodic table,based on the experiment of atomic number which highlights the significance of atomic number,is associated with:

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Which scientist used atomic volume as the basis for the periodic classification of elements?

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