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Trends in Physical Properties

Classification of Elements and Periodicity in Properties
Chemistry
Class 11

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Trends in Atomic Radius and Ionic Radius

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Trends in Ionisation Enthalpy

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Trends in Electron Gain Enthalpy

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Trends in Electronegativity

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Related questions

Name the element which is most electronegative and the element which is least electronegative in the periodic chart.

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The elements and , each having two valence electrons in their valence shells are in periods 2,3 and 4 respectively of the Modern Periodic Table.Answer the following questions associated with these elements,giving reason in each case:
a) In which group should they be?
b) Which one of them is least reactive?
c) Which one of them has the largest atomic size?

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The trend in atomic radii on moving down a group, with reference to the alkali metals in Group-1[I A]

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The increasing order of the atomic radii of elements is

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Al and Ga have the same covalent radius because of

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The sizes of the following species in the increasing order can be given as:

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As you move from top to bottom on the periodic table, what generally happens to the atomic radius?

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Electronegativity values for elements are useful in predicting:

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Which element is a noble gases?

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Which of the following relations is correct wrt first () and second () ionisation potentials of and ?

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