Multiple Choice
Which of the following substances is a binary molecular compound (composed of two different nonmetals)?
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5. Molecules and Compounds
Naming Binary Molecular Compounds
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What is the correct name for the binary molecular compound ?
A
Chlorine(I) fluoride
B
Chlorine monofluoride
C
Chlorine difluoride
D
Chlorine fluoride
Verified step by step guidance1
Identify that the compound is a binary molecular compound, meaning it consists of two nonmetal elements: chlorine (Cl) and fluorine (F).
Recall the naming rules for binary molecular compounds: use prefixes to indicate the number of atoms of each element present, except omit 'mono-' for the first element if there is only one atom.
Determine the number of atoms of each element in the formula ClF: there is 1 chlorine atom and 1 fluorine atom.
Apply the prefixes: since there is 1 chlorine atom, no prefix is needed for chlorine; since there is 1 fluorine atom, use the prefix 'mono-' before fluoride.
Combine the names to form the correct name: 'Chlorine monofluoride'.
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