QUIZ: Are You The Next Jeopardy Champion?
This type of atom is formed by the loss or gain of electrons.

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An ion is an atom or molecule whose electric charge is dependent on the loss or gain of electrons. The charge is both equal and opposite to a proton.
VCG/Getty Images
VCG/Getty Images
This type of atom is formed by the loss or gain of electrons.
- What is an isotope?
- What is a proton?
- What is a neutron?
- What is an ion?
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