Ionic sizes would decrease down the group but increase across a period.
What is ionic charge?
The term ionic charge refers to the charge that an ion carries. We know that metals are found towards the left hand side of the periodic table while the nonmetals are found towards the right hand side of the periodic table.
Down the group, more shells are added hence the atomic sizes would increase down the group.
As we move from left to right, the ionic sizes are increased because ions are formed by the addition of electrons to the electron cloud. Hence ionic sizes would decrease down the group but increase across a period.
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