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Periodic Table

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Fe

Iron Iron

Transition Metal Solid d

Electron Configuration

Common Oxidation States

Isotopes (● Stable)

Position in Table

Period4

Group8

Blockd

Atomic Number26

Appearance

Physical Properties

Atomic Mass55.845

Atomic Radius (pm)126

Density (g/cm³)7.874

Melting Point (K)1811

Boiling Point (K)3134

Molar Heat (J/mol·K)25.1

Chemical Properties

Electronegativity (Pauling)1.83

Electron Affinity (kJ/mol)15.7

Ionization Energies (kJ/mol)

Discovery

Discovered by —

Named by —

Reference

Element Image

Bohr Model Image

Fe Iron Iron

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