An ionic bond P^+ Q^- is most likely to be formed when - Vidyadip

Question

An ionic bond $P^+ Q^-$ is most likely to be formed when

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Answer

b
The ionization energy $(IE)$ is defined as the amount of energy required to remove the most loosely bound electron of an isolated gaseous atom to form a cation. Electron affinity of an atom or molecule is defined as the amount of energy released when an electron is added to a neutral atom or molecule in the gaseous state to form a negative ion. When the ionization energy is low and electron affinity is high, more will be the tendency to form an ionic bond.

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