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Standard X
Chemistry
Trend in Electronegativity
Why the eleme...
Question
Why the elements of second row ( first short period ) Show a number of differences in properties from other members of their respective families.
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Solution
The difference in the properties of the first member of a group from those of the those of the other members is due to
(i) smaller size of the atom
(ii) presence of one inner shell of only two electrons and
(iii) absence of d-orbitals.
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