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If an atom gains or loses electrons, it becomes a:
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4. Atoms and Elements
Ions (Simplified)
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When an atom loses an electron, it becomes a:
A
neutral atom with no net charge
B
isotope with a different mass number
C
anion (a negatively charged ion)
D
cation (a positively charged ion)
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Understand that an atom is composed of protons (positively charged), neutrons (neutral), and electrons (negatively charged).
Recognize that the overall charge of an atom depends on the balance between the number of protons and electrons.
When an atom loses an electron, it has more protons than electrons, resulting in a net positive charge.
A positively charged ion formed by losing electrons is called a cation.
Therefore, the correct term for an atom that loses an electron is a cation (a positively charged ion).
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