Iron-56 [[Image:|250px|]] Full table . General . Neutrons 30 . Name, symbol Iron-56, 56Fe . ... For iron, the symbol is Fe and the atomic number is 26. The chemical symbol for Iron is Fe.. Atomic Mass of Iron. Atomic mass of Iron is 55.845 u. See more Iron products. 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. Half-life stable . Atomic Number of Iron. Iron-56 is the most common isotope of iron. Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. One atomic mass unit is the mass of a proton, or about \(1.67 \times 10^{-27}\) kilograms, which is an extremely small mass. Binding energy 492253.892 ± 1.356 keV . Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. Isotope mass 55.9349375(7) u . Natural abundance 91.754% . Nuclide Data . (If the protons don't match the electrons, the atom is ionized, not neutral as usually assumed. Spin 0+ Excess energy -60601.003 ± 1.354 keV . Iron is element number 26, so it has 26 protons and 26 electrons. Mass Number. The symbol for iron is Fe from the Latin word ferrum meaning iron. Protons 26 . Get an answer for 'give the symbol and number of protons in one atom of:Lithium__ Iron __ Oxygen __ Krypton_ Bromine _ Copper __ Mercury__ Helium __ … The number of protons makes each element unique, so they are organized by these numbers on the periodic table. Iron (/ ˈ aɪ ər n /) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. 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 Iron has an atomic weight of 55.845g/mol. Iron (atomic symbol: Fe, atomic number: 26) is a Block D, Group 8, Period 4 element with an atomic weight of 55.845. The iron atom has a radius of 126 pm and a Van der Waals radius of 194 pm. Name: Iron Symbol: Fe Atomic Number: 26 Atomic Mass: 55.8 Number of Protons/Electrons: 26 Number of Neutrons: 30 Classification:Transition Metals Discovery: … On the periodic table, this number is found above the element symbol. Iron was discovered by humans before 5000 BC. Thus, the isotope Fe-56 has 26 protons, 30 neutrons, and 26 electrons. 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