In addition to showing the ratio of atoms in a molecule, what else do the subscripts in a formula tell us?

In addition to showing the ratio of atoms in a molecule,the subscripts in a formula tells us other basic and vital facts like, chemical formulas being represented make use of chemical species like compounds and ions using numbers and letters.

The number that appear as subscripts in the chemical formula only show the number of the atoms of the element directly and immediately before the subscript. one atom of that element is present if no subscript appears.

we can conclude that the melting point of table salt is above room temperature (it's actually 801 deg c). the melting point of mercury must be below room temperature (- 39 deg c).

it is the most commonly accepted one