Question

multiple choice 1 point
which of the following are molecules that have the same chemical formula but differ in placement/arrangement of atoms or types of bonds between atoms?
ion
isotope
aliphatic
isomer

Explanation:

Isomers are molecules with the same chemical formula but different arrangements of atoms or types of bonds. Ions are charged species, isotopes are variants of an element with different numbers of neutrons, and aliphatic refers to a class of organic compounds, not the described property.

Answer:

D. Isomer