Each electron is influenced by the electric fields produced by the positive nuclear charge and the other (Z – 1) negative electrons in the atom. Therefore, the number of electrons in neutral atom of Iron is 26. The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus. It takes more energy per nucleon to take one of these nuclei completely apart than it takes for any other nucleus. Nickel-62, iron-58 and iron-56 are the most tightly bound nuclei. It is most efficiently bound and has the lowest average mass per nucleon (930.412 MeV/c 2). Iron-58 is composed of 26 protons, 32 neutrons, and 26 electrons. Iron-57 is composed of 26 protons, 31 neutrons, and 26 electrons. Iron-56 is composed of 26 protons, 30 neutrons, and 26 electrons. Iron-54 is composed of 26 protons, 28 neutrons, and 26 electrons. 20-30 artificial isotopes have also been created. Mass numbers of typical isotopes of Iron are 56 57 58. Isotopes are nuclides that have the same atomic number and are therefore the same element, but differ in the number of neutrons. The difference between the neutron number and the atomic number is known as the neutron excess: D = N – Z = A – 2Z.įor stable elements, there is usually a variety of stable isotopes. Neutron number plus atomic number equals atomic mass number: N+Z=A. The total number of neutrons in the nucleus of an atom is called the neutron number of the atom and is given the symbol N.

The total electrical charge of the nucleus is therefore +Ze, where e (elementary charge) equals to 1,602 x 10 -19 coulombs. Total number of protons in the nucleus is called the atomic number of the atom and is given the symbol Z. Iron is a chemical element with atomic number 26 which means there are 26 protons in its nucleus.

Iron charge 1