How do I find the number of electrons in an Isotope? For example, I know that in the image attached the isotope has 45 protons and 58 neutrons, but I am unsure as to how to find the number of electrons in the isotope.

How do I find the number of electrons in an Isotope For example I know that in the image attached the isotope has 45 protons and 58 neutrons but I am unsure as class=