complete the statement below. the two selected substances share the same _, but they are different…

complete the statement below. the two selected substances share the same _, but they are different substances because they have different _. composition...arrangements of atoms arrangement of atoms...compositions
Answer
Brief Explanation:
In chemistry, isomers have the same composition (same types and numbers of atoms), but different arrangements of atoms, making them different substances.
Answer:
composition...arrangements of atoms