Question

A chemical formula includes the symbols of the elements in the

compound and the subscripts that indicate*
how many atoms or ions of each type are combined in the simplest unit
the formula mass
the number of moles in each element
the charges of the elements or ions

Answer 1

How many atoms or ions are combined in a simple unit

Answer 2

it indicates, how many atoms or ions of each type are combined in the simplest unit.