What follows an element's symbol in a chemical formula to indicate the number of atoms of that element in one molecule of the compound?
a. number in parentheses
b. subscripted number
c. superscripted number
d. charge sign
2. the chemical formula for an ionic compound represents one
a. molecule.
b. formula unit.
c. cation.
d. ion.

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explanation:

catya that's not even a b or c