Multiple Choice
Which chemical formula represents sulfur hexafluoride?
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3. Chemical Reactions
Naming Molecular Compounds
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Which of the following is the correct name for the molecular compound N_2O?
A
Dinitrogen monoxide
B
Dinitrogen oxide
C
Nitrous oxide
D
Nitrogen dioxide
Verified step by step guidance1
Identify the type of compound: N_2O is a molecular (covalent) compound composed of two nonmetals, nitrogen and oxygen.
Recall the naming rules for molecular compounds: Use prefixes to indicate the number of atoms of each element (except omit 'mono-' for the first element if there is only one atom).
Determine the prefixes for each element: 'Di-' means two nitrogen atoms, and 'mono-' means one oxygen atom.
Combine the element names with the prefixes: 'Dinitrogen' for N_2 and 'monoxide' for O (oxygen with one atom uses 'mono-' and changes 'oxide' to reflect oxygen).
Put it all together to form the correct name: 'Dinitrogen monoxide' is the proper systematic name for N_2O.
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