Multiple Choice
Which of the following is the correct chemical formula for nitrogen trihydride?
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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 hexafluoride
C
Sulfur fluoride
D
Hexasulfur fluoride
Verified step by step guidance1
Identify the elements present in the compound SF_6: sulfur (S) and fluorine (F).
Determine the number of atoms of each element in the formula: 1 sulfur atom and 6 fluorine atoms.
Recall the naming rules for molecular (covalent) compounds: use prefixes to indicate the number of atoms, except omit 'mono-' for the first element if there is only one atom.
Apply the prefixes: since there is one sulfur atom, just use 'sulfur'; for six fluorine atoms, use the prefix 'hexa-' combined with 'fluoride' to form 'hexafluoride'.
Combine the parts to form the correct name: 'sulfur hexafluoride'.
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