in a group where do you expect to find the element having maximum size
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the 1st element of a group has maximum size because as we move from left to right in a group the no. of electrons in the outermost shell increases and as the nucleus of an atom is positively charged the attractive force between the outermost shell and nucleus increases which results in reduction in the size of the atom.
adityayerramp4rf6s:
No bro the first element is the smallest
Sorry bro! the first element is large in size because when we move left to right in a group the no. of electrons in the outermost shell increases and the nucleus of the cell is positively charged so there is more attractive force between the electrons and nucleus and so the size of the atom decreases
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In a group the last element will be expected to have largest size because of its number of shells and repulsions between electron and electrons would increase. Since the last shell in that element would be much far the attraction force will also be less. So it's size is the largest.
Sorry bro!! The first element in the group is large in size because as we move from left to right in a group the no. of outermost electrons increases and as the nucleus of the atom is positively charged so the attractive force between the outermost shell and nucleus increases due to which the size of the atom decreases
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