MCQ
Mendeleev left blank spaces in his periodic table for:
Unit-4 Periodic Table and Periodicity of Properties
A
noble gases
B
unknown (undiscovered) elements
C
isotopes
D
artificial elements
Explanation
He predicted the existence and properties of undiscovered elements.
Related MCQs
The modern periodic table is mainly based on:
Unit-4 Periodic Table and Periodicity of Properties
View
The main limitation of Newlands' Law of Octaves was that it failed:
Unit-4 Periodic Table and Periodicity of Properties
View
Eka-aluminium predicted by Mendeleev was later identified as:
Unit-4 Periodic Table and Periodicity of Properties
View
The tendency of an atom to attract a shared pair of electrons is called:
Unit-4 Periodic Table and Periodicity of Properties
View
Electron affinity across a period generally:
Unit-4 Periodic Table and Periodicity of Properties
View
Which of the following elements is a metalloid?
Unit-4 Periodic Table and Periodicity of Properties
View