Multiple Choice
Why do anions form?
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2. Atoms & Elements
Ions
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Which of the following best describes the difference between a cation and an anion?
A
A cation is formed by gaining electrons, while an anion is formed by losing electrons.
B
A cation has a positive charge, while an anion has a negative charge.
C
A cation has more electrons than protons, while an anion has more protons than electrons.
D
A cation and an anion have the same number of protons and electrons.
Verified step by step guidance1
Understand that ions are atoms or molecules that have gained or lost electrons, resulting in a net electrical charge.
Recall that a cation is an ion with a positive charge, which means it has lost one or more electrons compared to its neutral atom.
Recall that an anion is an ion with a negative charge, which means it has gained one or more electrons compared to its neutral atom.
Recognize that the charge of an ion depends on the difference between the number of protons (positive charges) and electrons (negative charges).
Conclude that the best description is: a cation has a positive charge (fewer electrons than protons), while an anion has a negative charge (more electrons than protons).
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