Atomic Radii, Ionic Radii and Van der Waals Radii

IMPORTANT

Atomic Radii, Ionic Radii and Van der Waals Radii: Overview

This topic covers concepts, such as, Screening Effect, Effective Nuclear Charge, Comparison of Ionic Radius with Atomic Radius & Calculation of Effective Nuclear Charge etc.

Important Questions on Atomic Radii, Ionic Radii and Van der Waals Radii

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The ions  O2,F,Na+,Mg2+andAl3+ are isoelectronic. Their ionic radii show:

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In which of the following arrangements the order is not according to the property indicated against it ?

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The correct order of stability of  Al+,Al+2,Al+3 is:

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Does Ne has larger radius than N?

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The size of the isoelectronic species C4-, N3- and Mg2+ is effected by

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Arrange the following in increasing order of ionic radii:-

Li+, Be+2, B3+

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Which of the following options represents the correct ionic radii in Å of N-3,O-2 and F-, respectively?

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Select the incorrect orders about the size of the given species:

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Four elements P, Q, R and S have ground state electronic configuration as

P1s2 2s2 2p6 3s2 3p3

Q1s2 2s2 2p6 3s2 3p1

R1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3

S1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p1

Which of the following options represents the correct order?

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When the following five anions are arranged in the order of decreasing ionic radius, the correct sequence is:

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Which of the following has highest value of ionic radius?

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The correct order of radius for the following elements is

Ti, Co, Cs, Br, K, O, F

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The ionic radii of Na+, F-, O2-, N3- follow the order

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The correct order of energy of 2s-orbitals in H, Li, Na and K, is
 

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Which of the following is correct order regarding ionic size?

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IMPORTANT

In which of the following options the order of arrangement does not agree with the variation of property indicated against it ?