ionization energy
(ion-i-za-tion-en-er-gy)
7 syllables
Definition
noun. the amount of energy required to remove an electron from an atom or ion in its gaseous state. it is a fundamental property of elements that influences their chemical reactivity.
Example Sentence
The ionization energy of helium is higher than that of hydrogen, making it less reactive.
More Example Sentences
Understanding ionization energy helps chemists predict how elements will behave in reactions.
Synonyms
electron affinity; ionization potential
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ionization energy