FAQ

What is the Ionization Energy?
The Ionization Energy is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule. Ionization Energy is usually measured using the Joule for Energy. Note that the value of Ionization Energy is always negative.
Can the Ionization Energy be negative?
Yes, the Ionization Energy, measured in Energy can be negative.
What unit is used to measure Ionization Energy?
Ionization Energy is usually measured using the Joule[J] for Energy. Kilojoule[J], Gigajoule[J], Megajoule[J] are the few other units in which Ionization Energy can be measured.
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