Iron atom & ion lab
Change the electron count of Iron and inspect its charge, shells and reviewed atomic properties.
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Scientific learning path
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Explanation mode
Core label represents the fixed nuclear charge; individual neutrons are not inferred from standard atomic weight.
Reviewed atomic properties
Unavailable measurements remain explicitly unavailable.
First ionization energy762.5 kJ mol⁻¹
Covalent radius132 pm
Electronegativity1.83 Pauling
Description of this simulation
Iron is neutral here: 26 protons are balanced by 26 electrons across shells 2, 8, 14, 2.
Quick test · 3 questions
Fe
Iron
- Protons
- 26
- Electrons
- 26
- Shells
- 2 · 8 · 14 · 2
- Configuration
- [Ar] 3d6 4s2
- Common oxidation states
- 2, 3
- Phase near room conditions
- solid
What this model shows — and what it simplifies
Educational ModelThe nuclear charge stays fixed at 26 protons, which is what defines Iron.
Where do we see this in real life?
The electron count and measured properties of Iron help determine how it bonds, reacts and is identified in chemical materials.
Explain this result
Scientific review record
Building- Module version
- v1 bundled
- Published
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- Last reviewed
- Not yet verified
- Academic level
- Undergraduate
- Reviewer
- Not publicly assigned
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