Multiple Choice
Which of the following is the correct chemical formula for phosphorus tribromide?
2
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3. Chemical Reactions
Naming Molecular Compounds
Multiple Choice
What is the correct name for the compound N_2O_5?
A
Nitrogen pentoxide
B
Nitrogen dioxide
C
Dinitrogen dioxide
D
Dinitrogen pentoxide
Verified step by step guidance1
Identify the elements present in the compound N_2O_5: nitrogen (N) and oxygen (O).
Determine the number of atoms of each element: 2 nitrogen atoms and 5 oxygen atoms.
Use the appropriate prefixes to indicate the number of atoms: 'di-' for 2 and 'penta-' for 5.
Name the first element (nitrogen) with its prefix: 'dinitrogen'.
Name the second element (oxygen) with its prefix and change the ending to '-ide': 'pentoxide'. Combine to get 'dinitrogen pentoxide'.
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