Promethium has 61 protons and electrons; For each isotope the number of neutrons is different. Number of neutrons = Mass number of an isotope - 61
7 protons, 7 neutrons and 7 electrons
4 protons, 4 electrons and 6 neutrons.
it has 44 electrons 57 neutrons and 44 protons
Sodium has 11 protons, 11 electrons and 12 neutrons.
The phosphorus atom has 15 protons and electrons and 16 neutrons.
Promethium has nine isotopes, their numbers ranging from 143 to 151. None of the isotopes are naturally occurring, yet some stars have minute amounts of promethium.
Promethium has 61 protons and electrons.For each isotope the number of neutrons is different. Number of neutrons = Mass number of an isotope - 61
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.
67 protons, 67 electrons and 98 neutrons
4 protons, 4 electrons and 6 neutrons.
Neutrons: 58 Electrons: 45 Protons: 45