I don't know Se-55.
18 protons 18 electrons 22 neutrons
Cesium has 55 protons, 78 neutrons, and 55 electrons.
Protons: 73 Neutrons: 108 Electrons: 73
Protons-68 Electrons-68 Neutrons-About 99
Neutrons - 118 Protons/electrons - 79
18 protons 18 electrons 22 neutrons
18 protons and electrons and 22 neutrons.
61 neutrons 10 electrons 46 protons
Neutrons: 58 Electrons: 45 Protons: 45
67 protons, 67 electrons and 98 neutrons
4 protons, 4 electrons and 5 neutrons
Niobium has 41 protons, 41 electrons, and the most common isotope, Niobium-93, has 52 neutrons.
Cesium has 55 protons, 78 neutrons, and 55 electrons.
There are 19 protons,20 neutrons, and 19 electrons.
Protons: 73 Neutrons: 108 Electrons: 73
7 protons, 7 neutrons and 7 electrons
Protons-68 Electrons-68 Neutrons-About 99