29
Cu
Copper
Copper
Copper (Cu)
Transition Metals · Solid · Period 4 · Group 11
Element Properties
- Atomic Number
- 29
- Symbol
- Cu
- Atomic Mass
- 63.55
- Category
- Transition Metals
- Standard State
- Solid
- Period
- 4
- Group
- 11
- Electronegativity
- 1.9
- Atomic Radius
- 140
- Ionization Energy
- 7.73
- Electron Affinity
- 1.23
- Oxidation States
- +2, +1
- Melting Point
- 1357.77 K (1084.62 °C)
- Boiling Point
- 2835 K (2561.85 °C)
- Density
- 8.933
- Electron Configuration
- [Ar]4s1 3d10
- Year Discovered
- Ancient
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Frequently asked questions
What is the atomic number of Copper?
The atomic number of Copper is 29, which equals the number of protons in its nucleus.
What is the atomic mass of Copper?
The atomic mass of Copper is approximately 63.55 u (one twelfth of the mass of a carbon-12 atom).
What is the electron configuration of Copper?
The electron configuration of Copper is [Ar]4s1 3d10.
Where is Copper in the periodic table?
Copper is located in period 4, group 11.
When was Copper discovered?
Copper has been known since antiquity.