Westonci.ca is the best place to get answers to your questions, provided by a community of experienced and knowledgeable experts. Discover the answers you need from a community of experts ready to help you with their knowledge and experience in various fields. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately.

Isotopes of an element must have different
(1) atomic numbers
(2) mass numbers
(3) numbers of protons
(4) numbers of electrons

Sagot :

They have different mass numbers, because they have different numbers of neutrons, and neutrons have a mass of 1, meaning changing the number of them will result in a change in the mass of the element