Why are prefixes not used in naming ionic compounds?
A. Two ions can combine in only one combination.
B. The number of ions is not fixed in a compound.
C. A roman numeral is used instead of a prefix
D. A subscript follows each name instead of a prefix.

It is common in organic chemistry and with a few other molecular species, to name the compound using a prefix such as di, tri, tetra etc to indicate the positions of moieties in the molecule. This is important because there could be several possible combinations of atoms in a molecule.

In the case of ionic compounds, the combining ions can only have one possible arrangement.

Hence, the reason why prefixes are not used in naming ionic compounds is because two ions can combine in only one combination.

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Why are prefixes not used in naming ionic compounds? A. Two ions can combine in only one combination. B. The number of ions is not fixed in a compound. C. A roman numeral is used instead of a prefix D. A subscript follows each name instead of a prefix.

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Why are prefixes not used in naming ionic compounds?
A. Two ions can combine in only one combination.
B. The number of ions is not fixed in a compound.
C. A roman numeral is used instead of a prefix
D. A subscript follows each name instead of a prefix.