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Hey please define first ionization energy and second ionization energy according to the Cameroon GCE advanced level
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Hey Rita, good to see you again.
Here are the definitions:
First ionization energy is the energy required to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous 1+ ions. It is an endothermic process.
For example: X(g) → X⁺(g) + e⁻
Second ionization energy is the energy required to remove one mole of electrons from one mole of gaseous 1+ ions to form one mole of gaseous 2+ ions. This is also an endothermic process and is always greater than the first ionization energy for the same element.
For example: X⁺(g) → X²⁺(g) + e⁻
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Hey Rita, good to see you again. Here are the definitions: First ionization energy is the energy required to remove one mole of electrons from one mole of gaseous atoms to form one mole of gaseous 1+ ions.