13. Two elements X and Y belongs to groups 3 and 4 in the same period. Answer the following
a) What is the valency of Y?
b) Which element has more atomic size?
c) Name the elements of X and Y.
d) Which element has least I.E.?
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actually I am not the science student sorry buddy
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Explanation:(a) The valency of Y is 4.
(b) The atomic size of X is more as atomic size decreases on moving left to right in the same period.
(c) The elements which can resemble X are Boron, Aluminium, Gallium,Indium , Thallium.etc.
Elements resembling Y are Carbon, Silicon, Germanium,Tin,Lead,etc.
(d) Least I.E is exhibited by X as it can easily loose electrons than Y. Moreover, I.E generally decreases on moving left to right in the same period.
Hope it helps!!!
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