Question

write about ionic radius ​

Answer 1

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.

Answer 2

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thє íσníc rαdíus ís thє dístαncє вєtwєєn thє nuclєus αnd thє єlєctrσn ín thє σutєrmσst shєll σf αn íσn. ... thє trєnd σвsєrvєd ín sízє σf íσníc rαdíí ís duє tσ shíєldíng σf thє σutєrmσst єlєctrσns вч thє ínnєr-shєll єlєctrσns sσ thαt thє σutєr shєll єlєctrσns dσ nσt “fєєl” thє єntírє pσsítívє chαrgє σf thє nuclєus.