Copper 29

Atomic No. Order:

Alphabetic Order:

Periodic Table

2, 8, 18,

Cu
29

Ag
47

Au
79

Rg
111

Uhu
161

Buu
211

Copper

Symbol

Atomic Number

Relative Atomic Mass
¹²C = 12.0000

63.546 (±3) [Since 1969]

Atomic Radius pm

128

First Ionisation Energy
kJ mol ^-1

745.4

Ionisation Energy (eV)

7.7264

Electronegativity

1.90

Density
kg m ^-3

8960 [293 K]
7940 [m.p.]

Molar Volume cm ³

7.09

Thermal Conductivity
W m ^-1 K ^-1

401 [300 K]

Melting Point K

1356.6

Boiling Point K

2840

Number of Isotopes

Isotope Atomic mass/u Mole fraction

63Cu 62.929 6007(15) 0.6915(15)
65Cu 64.927 7938(19) 0.3085(15)

Inner + outer Shells

Inner + outer Orbitals

Filling Orbital

4s ¹

Ground State Electron
Configuration

[Ar]

3d ¹⁰

4s ¹

Ground State Electron
Configuration with
free Orbitals (n=7)

0, 0, 0, 7

Ground State Electron
Configuration with
compressed Orbitals (n=24)

0, 0, 0, 24

Singularity

	s		p	d	f	g	h	i	j
1	2
2	2		6
3	2		6	10
4	1	1	6	10	14
5
6
7

Term Symbol

²S _1/2

Discovery

The element has been known since prehistoric times.

Name Derived From

The name derives from the Latin Cuprum for Cyprus, the island where the Romans first obtained copper. The chemical symbol, Cu, also comes from the Latin cuprum.

APSIDIUM ©	Created:		2002-06-01		029.pdf
	Page update:		2004-12-12		029.pdf