Copper atom & ion lab
Change the electron count of Copper and inspect its charge, shells and reviewed atomic properties.
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Scientific learning path
- 01UnderstandLive
- 02ExploreLive
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- 05ExplainLive
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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 energy745.5 kJ mol⁻¹
Covalent radius132 pm
Electronegativity1.9 Pauling
Anomalous configuration: a filled 3d subshell is reached as 3d10 4s1, not 3d9 4s2.
Description of this simulation
Copper is neutral here: 29 protons are balanced by 29 electrons across shells 2, 8, 17, 2.
Quick test · 3 questions
Cu
Copper
- Protons
- 29
- Electrons
- 29
- Shells
- 2 · 8 · 17 · 2
- Configuration
- [Ar] 3d10 4s1
- Common oxidation states
- 1, 2
- Phase near room conditions
- solid
What this model shows — and what it simplifies
Educational ModelThe nuclear charge stays fixed at 29 protons, which is what defines Copper.
Where do we see this in real life?
The electron count and measured properties of Copper 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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