(If the protons don't match the electrons, the atom is ionized, not neutral as usually assumed. Neutrons 30 . The chemical symbol for Iron is Fe.. Atomic Mass of Iron. Isotope mass 55.9349375(7) u . The iron atom has a radius of 126 pm and a Van der Waals radius of 194 pm. The mass number ($$A$$) of an atom is the total number of protons and neutrons in its nucleus. Binding energy 492253.892 ± 1.356 keV . Subsequently, question is, how many electrons protons and neutrons are there in an atom of iron 56? Nuclide Data . Iron was discovered by humans before 5000 BC. The mass of the atom is a unit called the atomic mass unit $$\left( \text{amu} \right)$$. Iron has an atomic weight of 55.845g/mol. Name, symbol Iron-56, 56Fe . 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. Name: Iron Symbol: Fe Atomic Number: 26 Atomic Mass: 55.8 Number of Protons/Electrons: 26 Number of Neutrons: 30 Classification:Transition Metals Discovery: … Iron (/ ˈ aɪ ər n /) is a chemical element with symbol Fe (from Latin: ferrum) and atomic number 26. The number of protons makes each element unique, so they are organized by these numbers on the periodic table. 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 See more Iron products. Iron (atomic symbol: Fe, atomic number: 26) is a Block D, Group 8, Period 4 element with an atomic weight of 55.845. General . Half-life stable . Atomic mass of Iron is 55.845 u. Spin 0+ Excess energy -60601.003 ± 1.354 keV . Thus, the isotope Fe-56 has 26 protons, 30 neutrons, and 26 electrons. Iron has twenty-six protons, so its atomic number is 26. Get an answer for 'give the symbol and number of protons in one atom of:Lithium__ Iron __ Oxygen __ Krypton_ Bromine _ Copper __ Mercury__ Helium __ … Iron is element number 26, so it has 26 protons and 26 electrons. Mass Number. there are 26 protons in iron. 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. ... For iron, the symbol is Fe and the atomic number is 26. Iron-56 [[Image:|250px|]] Full table . Atomic Number of Iron. Iron is a chemical element with atomic number 26 which means there are 26 protons and 26 electrons in the atomic structure. The symbol for iron is Fe from the Latin word ferrum meaning iron. 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. 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