Practice question

Isotopes of an element have the same atomic number but different mass numbers. is the scientifically accurate answer to this question. Within the study of Atoms and Molecules, this concept is well-established through extensive research and is documented in standard scientific literature. The specific properties, mechanisms, or characteristics of Isotopes of an element have the same atomic number but different mass numbers. directly address what is being asked. Among the other options, The number of neutrons determines the identity of an element., The number of electrons in an atom never changes., and The atomic number is the sum of protons and neutrons. do not correctly answer this question because they either refer to different concepts, describe properties of other molecules or processes, or represent common misconceptions about this topic.