Multiple Choice
Which of the following is the correct chemical formula for boron trifluoride?
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3. Chemical Reactions
Naming Molecular Compounds
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What is the correct name for the molecular compound with the formula SF_6?
A
Sulfur(VI) fluoride
B
Sulfur fluoride
C
Hexasulfur fluoride
D
Sulfur hexafluoride
Verified step by step guidance1
Identify the elements present in the compound SF_6: sulfur (S) and fluorine (F).
Recognize that SF_6 is a molecular compound composed of nonmetals, so we use prefixes to indicate the number of atoms of each element.
Determine the number of atoms of each element: 1 sulfur atom and 6 fluorine atoms.
Apply the appropriate prefix for 6, which is 'hexa-', to the fluorine atom, and name the compound as 'sulfur hexafluoride'.
Note that the prefix 'mono-' is typically omitted for the first element when there is only one atom, so we do not say 'mono-sulfur'.
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