Question

Define ionic radius.

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Answer 1

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$\large\purple{Question}$

Define ionic radius.

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The ionic radius of an ion is the distance between the centre of the ion and the outer most point of its electron cloud

Answer 2

The ionic radius is the distance between the nucleus and the electron in the outermost shell of an ion. ... When an electron is added to an atom, forming an anion, the added electron repels other electrons, resulting in an increase in the size of the atom.