Iron is element number 26, so it has 26 protons and 26 electrons. Binding energy 492253.892 ± 1.356 keV . General . Iron-56 is the most common isotope of iron. Protons 26 . The symbol for iron is Fe from the Latin word ferrum meaning iron. Iron has twenty-six protons, so its atomic number is 26. Spin 0+ Excess energy -60601.003 ± 1.354 keV . Iron has an atomic weight of 55.845g/mol. Isotope mass 55.9349375(7) u . Iron-56 [[Image:|250px|]] Full table . Name, symbol Iron-56, 56Fe . Thus, the isotope Fe-56 has 26 protons, 30 neutrons, and 26 electrons. Mass Number. The number of protons that are found in an atom of an element is called the atomic number. The chemical symbol for Iron is Fe.. Atomic Mass of Iron. The iron atom has a radius of 126 pm and a Van der Waals radius of 194 pm. Iron was discovered by humans before 5000 BC. ... For iron, the symbol is Fe and the atomic number is 26. there are 26 protons in iron. Name: Iron Symbol: Fe Atomic Number: 26 Atomic Mass: 55.845 amu Melting Point: 1535.0 °C (1808.15 K, 2795.0 °F) Boiling Point: 2750.0 °C (3023.15 K, 4982.0 °F) Number of Protons/Electrons: 26 Number of Neutrons: 30 Classification: Transition Metal Crystal Structure: Cubic Density @ 293 K: 7.86 g/cm 3 Color: Silvery Atomic Structure Get an answer for 'give the symbol and number of protons in one atom of:Lithium__ Iron __ Oxygen __ Krypton_ Bromine _ Copper __ Mercury__ Helium __ … The mass of the atom is a unit called the atomic mass unit \(\left( \text{amu} \right)\). Iron (/ ˈ aɪ ər n /) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. The mass number (\(A\)) of an atom is the total number of protons and neutrons in its nucleus. One atomic mass unit is the mass of a proton, or about \(1.67 \times 10^{-27}\) kilograms, which is an extremely small mass. Iron (atomic symbol: Fe, atomic number: 26) is a Block D, Group 8, Period 4 element with an atomic weight of 55.845. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Neutrons 30 . Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. The number of electrons in each of Iron's shells is 2, 8, 14, 2 and its electron configuration is [Ar] 3d 6 4s 2. (If the protons don't match the electrons, the atom is ionized, not neutral as usually assumed. Since the iron has the atomic number z Fe = 26, we have 54 - 26 = 28 neutrons in 54 Fe, and 30, 31, and 32 neutrons, respectively, in the other three isotopes given. Nuclide Data . Half-life stable . 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