Cu - Copper

As the transition metal copper can be found pure in nature, it was known to the ancients. Originally popular for its high malleability, the extremely high electrical conductivity of copper (second only to silver) makes it the conductor of choice for most wires.

Atomic number - 29 Density g/mL 8 .96

Atomic weight u 63 .546 Melting point K 1357 .6

Bonding radius A 1 .17 Boiling point K 2836

Atomic radius A 1 .57 Heat of vaporization kJ/mol 300 .3

Ionization Potential V 7 .726 Heat of fusion kJ/mol 13 .05

Electronegativity - 1 .9 Specific heat J/gK 0 .38

The oxide is mildly basic.
Crystal are face centered cubic.

Electron config. : [Ar] 3d¹⁰ 4s¹

Isotopes of Cu: Click mass number for decay process, product for element page.

055 200 nsec EC,13.700 MeV Ni-55 54.966076	056 200 nsec EC/ECp,15.300 Ni-56/Co-55 55.958561	057 199.4 msec EC,8.770 MeV Ni-57 56.949214	058 3.204 sec EC,8.563 MeV Ni-58 57.944540	059 81.5 sec EC,4.800 MeV Ni-59 58.939503	060 23.7 min EC,6.127 MeV Ni-60 59.937367	061 3.333 hr EC,2.237 MeV Ni-61 60.933461
062 9.74 min EC,3.948 MeV Ni-62 61.932586	063 69.17% Stable 62.929600	064 12.700 hr B-/EC,1.675 Zn-64/Ni-64 63.929767	065 30.83% Stable 64.927793	066 5.088 min B-,2.642 MeV Zn-66 65.928873	067 61.83 hr B-,3.558 MeV Zn-67 66.927750	068 31.1 sec B-,4.460 MeV Zn-68 67.929639
069 2.85 min B-,2.675 MeV Zn-69 68.929425	070 4.5 sec B-,6.599 MeV Zn-70 69.932408	071 19.5 sec B-,4.560 MeV Zn-71 70.932624	072 6.6 sec B-,8.220 MeV Zn-72 71.935694	073 3.9 sec B-,6.300 MeV Zn-73 72.936446	074 1.594 sec B-,9.900 MeV Zn-74 73.940096	075 1.224 sec B-/B-n,7.900 Zn-75/Zn-74 74.941384
076 0.641 sec B-/B-n,11.300 Zn-76/Zn-75 75.945571	077 0.469 sec B-,9.500 MeV Zn-77 76.947289	078 0.342 sec B-,12.400 MeV Zn-78 77.951797	079 188 msec B-/B-n,10.700 Zn-79/Zn-78 78.954159	MASS abund. Halflife Particle, Energy Decay Product(s) Isotopic Mass

Atomic number	-	29		Density	g/mL	8	.96
Atomic weight	u	63	.546	Melting point	K	1357	.6
Bonding radius	A	1	.17	Boiling point	K	2836
Atomic radius	A	1	.57	Heat of vaporization	kJ/mol	300	.3
Ionization Potential	V	7	.726	Heat of fusion	kJ/mol	13	.05
Electronegativity	-	1	.9	Specific heat	J/gK	0	.38
The oxide is mildly basic.				Crystal are face centered cubic.
Electron config. : [Ar] 3d¹⁰ 4s¹