For an atom of carbon, the 5th ionization will exhibit a very large increase in the energy relative to the preceding ionization. it depends on valence electrons.
What is atomic valence?
The valence of an atom can be defined as the property of an element associated with the number of atoms with which this element can combine.
Valence electron refers to the electrons in the outer shell of an atom that participates in chemical bonds.
An atom of carbon has four (4) valence electrons.
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