Class 11 Chemistry Classification of Elements and Periodicity in Properties Atomic and Ionic radii

Easy

The reason for a cation to be smaller than its parent atom is

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A
repulsion between the electrons of outer orbit
B
Increased electrostatic attraction between nucleus and electrons.
C
increase in the mass of the cation compared to neutral atom.
D
change in the number of protons of cation compared to neutral atom.

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Class 11 Questions

Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

Atomic and Ionic radii

Previous Year

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The size of isoelectronic species $F^{-},$ $Ne$ and $Na^{+}$ is affected by
$(a)$ Nuclear charge $(Z)$
$(b)$ Valence principal quantum number $(n)$
$(c)$ Electron-electron interaction in the outer orbitals
$(d)$ None of the factors because their size is the same.

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What are the covalent and van der Waals radii in $Cl_2$?

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The radius of isoelectronic species:

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Among the elements $Li$,$N$,$C$ and $Be$,the one with the largest atomic radius is

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Which of the following arrangements is correct regarding the three types of radii for an atom?

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