Iron (Fe) - 26 on the Periodic Table | Periodic Table

Standard IUPAC: Iron • Symbol: Fe • Atomic Mass: 55.845 u

Quick Factsheet: Iron (symbol Fe, atomic number 26) is element 26 on the periodic table of elements. It has a standard atomic weight of 55.845 u and an electron configuration of [Ar] 4s2 3d6. On the periodic table, Iron is classified in period 4 and group Main.

1. Periodic Table Position of Iron (26 on the Periodic Table)

Element Iron has atomic number Z = 26, meaning it contains 26 protons in its atomic nucleus and 26 electrons in its neutral state. On the standard periodic table of elements, Iron is located in period 4 and group Main.

2. Electron Configuration & Oxidation States (Iron Charges & Configuration)

Full Electron Configuration: [Ar] 4s2 3d6

Common Oxidation States (Charges): -2,-1,1,2c,3c,4,5,6

3. Physical Properties & Atomic Mass (Iron Atomic Mass)

Element Iron has a standard atomic weight of 55.845 u. Its melting point is 1811. K and boiling point is 3134. K. The Pauling electronegativity value is 1.83.

Comprehensive chemical properties and data for Iron (Fe, Z=26).

Explore interactive 3D electron orbitals, isotopes, and properties on the periodic table: Open on Interactive Table 🚀

4. Related Elements in the Same Chemical Family

Sc (Z=21) Ti (Z=22) V (Z=23) Cr (Z=24) Mn (Z=25) Co (Z=27)

5. Frequently Asked Questions about Iron (FAQ)

What is the chemical symbol and atomic number of Iron?

The chemical symbol of Iron is Fe and its atomic number is 26.

What is the atomic mass and electron configuration of Iron?

Iron has a standard atomic mass of 55.845 u and ground-state electron configuration of [Ar] 4s2 3d6.

What periodic table group and period does Iron belong to?

Iron is located in period 4 and group Main on the periodic table of elements.

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