Question

Define Ionic radius and electronegativity

Answer 1

Explanation:

Ionic radius

The ionic radius (plural: ionic radii) is the measure of an atom's ion in a crystal lattice. It is half the distance between two ions that are barely touching each other. ... An anion has an additional electron, which increases the size of the electron cloud and may make the ionic radius larger than the atomic radius.

electronegativity

Electronegativity is a measure of an atom's ability to attract the shared electrons of a covalent bond to itself. ... If the two atoms of the bond are of equal electronegativity, the electrons are equally shared. If one atom is more electronegative, the electrons of the bond are more attracted to that atom.

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