iso - prefix
| Word | Meaning |
| isotopes |
two or more forms of the same element having the same atomic number (number of protons) but different number of neutrons (and thus, different having different nucleon number) |
| isomers | compounds having the same molecular formula but different structural formula - in other words, these molecules have the same type and number of atoms, but have different arrangement of atoms in space |
| isomerism | this is the phenomenon relating to the existence of isomers |
| isoprene | a chemical produced by certain plants; it is also the name of the monomer of natural rubber |
| isobars | "isotopes" of different elements with the same atomic weight |
| isometric | having the same or equal dimensions |
