26Fe
Element 26
Iron
Transition metals
Iron is a chemical element with symbol Fe (from Latin:ferrum) and atomic number 26.
Key data
- Atomic number
- 26
- Atomic mass
- 55.845 u
- Group / Period
- 8 / 4
- Block
- d-block
- Phase at STP
- Solid
- Density
- 7.874 g/cm³
- Melting point
- 1537.8 °C
- Boiling point
- 2860.8 °C
- Electron configuration
- [Ar] 3d6 4s2
Common uses
- •Steel
- •Hemoglobin
- •Earth's core
Discovery
Year: Known since antiquity
Discovered by: 5000 BC
Frequently asked questions
What is the atomic number of Iron?
Iron has atomic number 26. Its symbol is Fe and its atomic mass is 55.845 u.
What category of element is Iron?
Iron is classified as transition metals. It sits in group 8, period 4 of the periodic table.
What is Iron used for?
Common uses of Iron include: Steel, Hemoglobin, Earth's core.
When was Iron discovered?
Iron has been known since antiquity.
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