29 Cu
Transition metal
Copper
Excellent electrical conductor.
Properties of Copper
- Atomic number (Z)
- 29
- Symbol
- Cu
- Atomic mass
- 63.546 g/mol
- Category
- Transition metal
- Group
- 11
- Period
- 4
- Electron configuration
- [Ar] 3d¹⁰ 4s¹
- Electronegativity (Pauling)
- 1.9
- Atomic radius
- 145 pm
- First ionization energy
- 745 kJ/mol
- Melting point
- 1357.77 K (1084.6 °C)
- Boiling point
- 2835 K (2561.8 °C)
- Density
- 8.96 g/cm³
- Phase at 25 °C
- Solid
- Discovered
- Known since ancient times
Frequently asked questions
What is Copper?
Copper (Cu) is a transition metal, element number 29 on the periodic table. Excellent electrical conductor.
What is the atomic number and atomic mass of Copper?
Copper has atomic number 29 and an atomic mass of about 63.546 g/mol.
What is the electron configuration of Copper?
The electron configuration of Copper is [Ar] 3d¹⁰ 4s¹.
Where is Copper on the periodic table?
Copper sits in group 11, period 4, and is classified as a transition metal.