How is the cation Ion formed?

Updated: 9/24/2023
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A cation is formed when an atom loses electrons to other atoms or groups of atoms. As such, it now has less electrons than protons. Since each electron carry a relative charge of -1 and each proton of +1, there is a net positive charge on the ion equivalent to the number of electrons the atom has lost. Each Na+ has lost one electron and Ca2+ has lost two electrons.

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Q: How is the cation Ion formed?
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