29
Cu
63.546
Copper (Cu)
Element 29 · Period 4 · Group 11
transition-metal
solid at room temp
d-block
About Copper
Excellent electrical conductor. Used in wiring, plumbing, and antimicrobial applications.
Physical Properties
Atomic Mass
63.546 u
State at 25°C
Solid
Melting Point
1084.62 °C
Boiling Point
2562 °C
Density
8.96 g/cm³
Magnetism
Diamagnetic
Atomic Properties
Electron Configuration
[Ar] 3d¹⁰ 4s¹
Electron Shells
2, 8, 18, 1
Electronegativity
1.9
Atomic Radius
145 pm
Ionization Energy
745 kJ/mol
Oxidation States
+1, +2
Discovery & History
Discovered By
Ancient
Discovery Year
Ancient
Named By
Ancient
Name origin: Latin: Cuprum (Cyprus)
Frequently Asked Questions
- Is Copper a metal, nonmetal, or metalloid?
- Copper is classified as a transition-metal.
- What state is Copper in at room temperature?
- Copper is a solid at standard room temperature (25°C).
- What is the atomic mass of Copper?
- Copper has an atomic mass of 63.546 atomic mass units (u).
- Who discovered Copper?
- Copper was discovered by Ancient.
- Where is Copper on the periodic table?
- Copper is element number 29, located in period 4 and group 11.