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Which of the following elements is most likely to form a cation?
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2. Atoms & Elements
Ions
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Which of the following best describes an anion and its typical location on the periodic table?
A
An anion is a negatively charged ion, commonly formed by metals found on the left side of the periodic table.
B
An anion is a negatively charged ion, commonly formed by nonmetals found on the right side of the periodic table.
C
An anion is a neutral atom, typically found in the center of the periodic table.
D
An anion is a positively charged ion, commonly formed by metals found on the left side of the periodic table.
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Understand the definition of an ion: an ion is an atom or molecule that has gained or lost one or more electrons, resulting in a net electrical charge.
Recall that an anion is specifically a negatively charged ion, meaning it has gained electrons.
Identify which elements typically form anions: nonmetals tend to gain electrons to achieve a full valence shell, thus forming anions.
Locate these nonmetals on the periodic table: they are generally found on the right side of the periodic table (excluding the noble gases, which are mostly inert).
Conclude that an anion is a negatively charged ion commonly formed by nonmetals found on the right side of the periodic table.
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