Fermium has 100 protons and electrons.
Number of neutrons = Atomic Mass of an isotope - Atomic number of the element
The atomic number of fermium is 100; but fermium has 17 isotopes, each with a different number of neutrons.
For the most stable isotope of fermium, 257Fm:
protons-100
electrons-100
neutrons-157
atomic mass per unit (AMU)-257
7 protons, 7 neutrons and 7 electrons
it has 44 electrons 57 neutrons and 44 protons
4 protons, 4 electrons and 6 neutrons.
The phosphorus atom has 15 protons and electrons and 16 neutrons.
Sodium has 11 protons, 11 electrons and 12 neutrons.
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
4 protons, 4 electrons and 5 neutrons
it has 44 electrons 57 neutrons and 44 protons