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Define lonization enthalpy....

Define lonization enthalpy.

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The energy required to remove the most loosely held electron from an isolated gaseous atom is called as ionization energy (i.e) `"Atom"_(("g"))+"Energy"to"Positive Ion"_(("g"))div"Electron"`
`"Li"_((g))+520" kJ mol"^(-1)to"Li"_((g))^(+)+e^(-)`
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