Berilyllium 'Be' has 4 protons and electrons (atomic number), it has 5 neutrons (mass number minus atomic number) :)
18 protons 18 electrons 22 neutrons
18 protons and electrons and 22 neutrons.
Cesium has 55 protons, 78 neutrons, and 55 electrons.
61 neutrons 10 electrons 46 protons
There are 19 protons,20 neutrons, and 19 electrons.
7 protons, 7 neutrons and 7 electrons
50 electrons, 50 protons and 56 neutrons.
19 electrons, 19 protons and 20 neutrons
it has 44 electrons 57 neutrons and 44 protons
it has 44 electrons 57 neutrons and 44 protons
Neutrons: 58 Electrons: 45 Protons: 45
4 protons, 4 electrons and 5 neutrons