HELP PLEASE 1. How many elements are in the formula?
2. How many atoms are in the formula?
3. How many compounds are in the formula?
4. How many oxygen atoms are in the formula?
5. What do coefficients tell you about a chemical formula? to show the
relative amounts of each substance present.
6. What do subscripts tell you about a chemical formula? the number of
atoms of the element immediately before the subscript.
7. Draw a picture of the formula.