Question

isotope have same ----( no. of neutrons/electronic configuration/atomic masses)​

Answer 1

Answer:

Isotopes have same number of electronic configuration.

Hope this helps you.

Answer 2

Answer:

isotopes have same eletronic configuration

Explanation:

isotopes have same eletronic configuration as they have same no. of eletrons.

They are atoms of same elements but have different atomic masses ( as they have different no. of neutrons).