Multiple Choice
Which of the following ions is isoelectronic with the oxide anion O^{2-}?
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2. Atoms & Elements
Ions
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Which types of atoms typically form anions, and where are these atoms generally located on the periodic table?
A
Metal atoms, usually found on the left side of the periodic table
B
Noble gases, located in Group 18 of the periodic table
C
Transition metal atoms, located in the center of the periodic table
D
Nonmetal atoms, usually found on the right side of the periodic table
Verified step by step guidance1
Understand that anions are negatively charged ions formed when atoms gain electrons.
Recall that atoms tend to gain or lose electrons to achieve a stable electron configuration, often resembling the nearest noble gas.
Recognize that nonmetal atoms typically gain electrons because they have higher electronegativities and are closer to filling their valence shells.
Identify that nonmetals are generally located on the right side of the periodic table, excluding the noble gases in Group 18.
Conclude that nonmetal atoms usually form anions due to their tendency to gain electrons and achieve stable electron configurations.
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