43 protons, 43 electrons
43 protons, 56 electrons
56 protons, 43 electrons
99 protons, 43 electrons
43 protons, 56 electrons
56 protons, 43 electrons
99 protons, 43 electrons
-
Technicium has an atomic number of 43, meaning that it has 43 protons, and a neutral atom will have 43 electrons.