Multiple Choice
Which of the following is the correct chemical formula for phosphorus pentachloride?
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3. Chemical Reactions
Naming Molecular Compounds
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Which two elements make up household ammonia?
A
Carbon and oxygen
B
Nitrogen and oxygen
C
Hydrogen and carbon
D
Nitrogen and hydrogen
Verified step by step guidance1
Understand that household ammonia is a common chemical compound used for cleaning and other purposes.
Recall that ammonia is a molecule composed of nitrogen and hydrogen atoms.
Recognize that the chemical formula for ammonia is \(\mathrm{NH_3}\), indicating one nitrogen atom bonded to three hydrogen atoms.
Eliminate options that include elements not present in ammonia, such as carbon or oxygen.
Conclude that the two elements making up household ammonia are nitrogen and hydrogen.
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