Medium
Select the correct statement regarding atomic radii.
- AVan der Waals radii are larger than covalent radii because Van der Waals forces are much weaker than the forces between atoms connected by covalent bonds.
- BMetallic radii are smaller than Van der Waals radii because the forces in a metallic crystal are stronger than Van der Waals forces.
- CBoth are correct.
- DNone of the above.
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Similar Questions
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$:
Assertion $A$: The ionic radii of $O^{2-}$ and $Mg^{2+}$ are same.
Reason $R$: Both $O^{2-}$ and $Mg^{2+}$ are isoelectronic species.
In the light of the above statements,choose the correct answer from the options given below:
Assertion $A$: The ionic radii of $O^{2-}$ and $Mg^{2+}$ are same.
Reason $R$: Both $O^{2-}$ and $Mg^{2+}$ are isoelectronic species.
In the light of the above statements,choose the correct answer from the options given below:
What is the method to estimate the volume of an individual atom?
Medium
View SolutionWhich of the following represents the correct order of atomic radius?
Difficult
View Solution$Al^{3+}$ has a lower ionic radius than $Mg^{2+}$ because
Easy
View SolutionThe size of the isoelectronic species $Cl^{-}$,$Ar$,and $Ca^{2+}$ is affected by
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