summarizing your thoughts 7. what clues are given in chemical formulas that allow you to differentiate…

Brief Explanations:

In a chemical formula, an element is represented by a single - capital letter or a capital letter followed by a small letter (e.g., H for hydrogen, He for helium). A compound is represented by a combination of two or more different element symbols with sub - scripts indicating the ratio of atoms (e.g., H₂O for water, where there are two hydrogen atoms and one oxygen atom).

Answer:

Elements are represented by single or paired letters, compounds by combinations of element symbols with sub - scripts showing atom ratios.