Multiple Choice
Which of the following is the correct chemical formula for potassium hydride?
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3. Chemical Reactions
Naming Ionic Compounds
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Which of the following is true about ionic compounds?
A
They are typically gases at room temperature.
B
Their names always include prefixes to indicate the number of atoms.
C
They always contain only nonmetal elements.
D
They are formed from the electrostatic attraction between cations and anions.
Verified step by step guidance1
Understand the nature of ionic compounds: Ionic compounds are formed by the transfer of electrons from one atom to another, resulting in positively charged ions (cations) and negatively charged ions (anions).
Recognize that ionic compounds are held together by strong electrostatic forces of attraction between these oppositely charged ions, which is the defining characteristic of ionic bonding.
Recall that ionic compounds typically form crystalline solids at room temperature due to these strong ionic bonds, not gases.
Note that the naming of ionic compounds usually does not involve prefixes; prefixes are generally used for covalent (molecular) compounds to indicate the number of atoms.
Remember that ionic compounds consist of both metal and nonmetal elements, where metals form cations and nonmetals form anions, so they do not contain only nonmetals.
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