(A) The correct answer is $(A)$.As we move down a group in the periodic table,the principal quantum number $(n)$ increases,which means the number of e

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(A) The correct answer is $(A)$.As we move down a group in the periodic table,the principal quantum number $(n)$ increases,which means the number of electron shells increases.This leads to an increase in the distance between the nucleus and the outermost valence electrons,resulting in a continuous increase in the atomic radius.

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

Easy

On going down a main sub-group in the periodic table (example $Li$ to $Cs$ in $IA$ or $Be$ to $Ra$ in $IIA$),the expected trend of changes in atomic radius is a

A
Continuous increase
B
Continuous decrease
C
Periodic one,an increase followed by a decrease
D
$A$ decrease followed by increase

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Class 11

Chemistry Questions

Chapter

Classification of Elements and Periodicity in Properties

Subtopic

Atomic and Ionic radii

Describe the theory associated with the radius of an atom as it:
$(a)$ Gains an electron
$(b)$ Loses an electron

Medium

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$Al^{3+}$ has a lower ionic radius than $Mg^{2+}$ because

Easy

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Which of the following species is the smallest in size?

Easy

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Choose the smallest ion from the following.

EasyAP EAMCET 2020

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The decreasing order of size of the isoelectronic series $K^{+}$,$Ca^{2+}$,$Cl^{-}$,and $S^{2-}$ is:

Medium

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On going down a main sub-group in the periodic table (example $Li$ to $Cs$ in $IA$ or $Be$ to $Ra$ in $IIA$),the expected trend of changes in atomic radius is a

Similar Questions

Describe the theory associated with the radius of an atom as it:$(a)$ Gains an electron$(b)$ Loses an electron

$Al^{3+}$ has a lower ionic radius than $Mg^{2+}$ because

Which of the following species is the smallest in size?

Choose the smallest ion from the following.

The decreasing order of size of the isoelectronic series $K^{+}$,$Ca^{2+}$,$Cl^{-}$,and $S^{2-}$ is:

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Describe the theory associated with the radius of an atom as it:
$(a)$ Gains an electron
$(b)$ Loses an electron