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Multiple Choice
Which statement is true about ionic compounds?
A
They are typically gases at room temperature.
B
They always contain only nonmetal elements.
C
They are formed from the electrostatic attraction between cations and anions.
D
Their names always include prefixes to indicate the number of atoms.
Verified step by step guidance
1
Understand what ionic compounds are: Ionic compounds are formed when atoms transfer electrons, resulting in positively charged ions (cations) and negatively charged ions (anions).
Recognize that ionic compounds are held together by electrostatic forces, which is the attraction between oppositely charged ions.
Recall that ionic compounds typically form crystalline solids at room temperature, not gases, due to the strong ionic bonds.
Note that ionic compounds usually consist of metal cations and nonmetal anions, so they do not contain only nonmetal elements.
Understand that prefixes in names are generally used for covalent (molecular) compounds to indicate the number of atoms, not for ionic compounds.