Coure (Cu)

chemical element with symbol Cu and atomic number 29

Atomic Number	29
Atomic Weight	63.546
Rhif màs	63

Group	11
Period	4
Block	d

Proton	29 p⁺
Niwtron	34 n⁰
Electron	29 e^-

Nodwedd Ffisegol

Atomic Radius	135 pm 217 pm
molar volume	7.1 cm³/mol
covalent radius	112 pm 115 pm 120 pm 137 pm 132 pm
Metallic Radius	118 pm 128 pm
ionic radius	46 pm 60 pm 77 pm 57 pm 57 pm 65 pm 73 pm 54 pm
Crystal Radius	60 pm 74 pm 91 pm 71 pm 71 pm 79 pm 87 pm 60 pm
Van der Waals radius	200 pm 196 pm 226 pm 349.5 pm
density	8.96 g/cm³ 8,020 kg/m³

Nodwedd Gemegol

{ERROR}

egni

proton affinity	655.3 kJ/mol
electron affinity	1.235 eV/particle
ionization energy	7.72638 eV/particle 20.29239 eV/particle 36.841 eV/particle 57.38 eV/particle 79.8 eV/particle 103 eV/particle 139 eV/particle 166 eV/particle 198 eV/particle 232.2 eV/particle 265 eV/particle 367.03 eV/particle 400.98 eV/particle 436.04 eV/particle 483.13 eV/particle 518.7 eV/particle 552.8 eV/particle 632.48 eV/particle 670.608 eV/particle 1,690.5 eV/particle 1,800 eV/particle 1,918 eV/particle 2,044 eV/particle 2,179.4 eV/particle 2,307 eV/particle 2,479.1 eV/particle 2,586.954 eV/particle 11,062.4309 eV/particle 11,567.612 eV/particle

enthalpy of vaporization	304.6 kJ/mol
enthalpy of fusion	13.01 kJ/mol
standard enthalpy of formation	337.4 kJ/mol
Electron

plisgyn yr electron	2, 8, 18, 1

valence electron	1 ⓘ

trefn yr electronnau	[Ar] 3d¹⁰ 4s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹

Cyflwr ocsidiad	-2, 0, 1, 2, 3, 4
Electronegatifedd	10.96 eV/particle 0.1511716 1.9
Electrophilicity Index	1.546403297611602 eV/particle
cyflwr sylfaenol mater

cyflwr mater
gaseous state of matter
Boiling Point	2,833.15 K
Melting Point	1,357.77 K
critical pressure
critical temperature
triple point
appearance
lliw	Black #a52a2a #c88033 #c88033
appearance	red-orange metallic luster
Mynegrif plygiant
nodwedd ffisegol gwrthrych
Thermal Conductivity	401 W/(m K)
thermal expansion	0.0000165 1/K
molar heat capacity	24.44 J/(mol K)
Specific Heat Capacity	0.385 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
dargludedd trydanol	59 MS/m
Gwrthedd	0.000000017 Ω*m
superconductivity
magnetism
type	diamagnetic
magnetic susceptibility (Mass)	-0.00000000108 m³/Kg
magnetic susceptibility (Molar)	-0.0000000000686 m³/mol
magnetic susceptibility (Volume)	-0.00000963
magnetic ordering
Curie temperature
Néel temperature
strwythur
Crystal Structure	{ERROR}
lattice constant	3.61 Å
Lattice Angles	π/2, π/2, π/2
nodwedd mecanyddol deunyddiau
hardness	874 MPa 3 MPa 369 MPa
bulk modulus	140 GPa
shear modulus	48 GPa
Young's modulus	130 GPa
Poisson's ratio	0.34
speed of sound	3,570 m/s
classification
Category	Actinides, Transition metals
CAS Group	IB
IUPAC Group	IB
Glawe Number	68
Mendeleev Number	71
Pettifor Number	72
Geochemical Class	first series transition metal
Goldschmidt classification	chalcophile

other

Gas Basicity	632.4 kJ/mol
polarizability	46.5 ± 0.5 a₀
C6 Dispersion Coefficient	253 a₀ 264 a₀
allotrope
Neutron cross section	3.78
Neutron Mass Absorption	0.0021
quantum number	2S1/2
space group	225 (Fm_3m)

Isotopes of Copper

Stable Isotopes	2
Unstable Isotopes	31
Natural Isotopes	2

⁵²Cu

Rhif màs	52
neutron number	23
Relative Atomic Mass	51.997982 ± 0.000644 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	3
nuclear quadrupole moment
dyddiad darganfod
parity	+

decay mode	intensity
p (proton emission)

⁵³Cu

Rhif màs	53
neutron number	24
Relative Atomic Mass	52.985894 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	3/2
nuclear quadrupole moment
dyddiad darganfod
parity	-

decay mode	intensity
p (proton emission)

⁵⁴Cu

Rhif màs	54
neutron number	25
Relative Atomic Mass	53.977198 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	3
nuclear quadrupole moment
dyddiad darganfod
parity	+

decay mode	intensity
p (proton emission)

⁵⁵Cu

Rhif màs	55
neutron number	26
Relative Atomic Mass	54.966038 ± 0.000167 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	55.9 ± 1.5 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1987
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)

⁵⁶Cu

Rhif màs	56
neutron number	27
Relative Atomic Mass	55.958529278 ± 0.000006864 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	80.8 ± 0.6 ms
spin	4
nuclear quadrupole moment
dyddiad darganfod	1987
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	0.4%

⁵⁷Cu

Rhif màs	57
neutron number	28
Relative Atomic Mass	56.949211686 ± 0.000000537 Da
g-factor	1.7213333333333 ± 0.0046666666666667
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	196.4 ± 0.7 ms
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1976
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁸Cu

Rhif màs	58
neutron number	29
Relative Atomic Mass	57.944532283 ± 0.000000604 Da
g-factor	0.571 ± 0.002
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.204 ± 0.007 s
spin	1
nuclear quadrupole moment
dyddiad darganfod	1952
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁵⁹Cu

Rhif màs	59
neutron number	30
Relative Atomic Mass	58.939496713 ± 0.000000566 Da
g-factor	1.2620666666667 ± 0.0006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	81.5 ± 0.5 s
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1947
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶⁰Cu

Rhif màs	60
neutron number	31
Relative Atomic Mass	59.937363787 ± 0.000001731 Da
g-factor	0.61 ± 0.00025
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	23.7 ± 0.4 m
spin	2
nuclear quadrupole moment
dyddiad darganfod	1947
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶¹Cu

Rhif màs	61
neutron number	32
Relative Atomic Mass	60.933457375 ± 0.00000102 Da
g-factor	1.4071333333333 ± 0.00033333333333333
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	3.343 ± 0.016 h
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1937
parity	-

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶²Cu

Rhif màs	62
neutron number	33
Relative Atomic Mass	61.932594803 ± 0.000000683 Da
g-factor	-0.38 ± 0.0004
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	9.672 ± 0.008 m
spin	1
nuclear quadrupole moment
dyddiad darganfod	1936
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

⁶³Cu

Rhif màs	63
neutron number	34
Relative Atomic Mass	62.929597119 ± 0.000000457 Da
g-factor
natural abundance	69.15 ± 0.15
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0.22 ± 0.015
dyddiad darganfod	1923
parity	-

⁶⁴Cu

Rhif màs	64
neutron number	35
Relative Atomic Mass	63.929764001 ± 0.000000458 Da
g-factor	-0.2166 ± 0.0004
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	12.7004 ± 0.0013 h
spin	1
nuclear quadrupole moment
dyddiad darganfod	1936
parity	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	61.52%
β⁻ (β⁻ decay)	38.48%

⁶⁵Cu

Rhif màs	65
neutron number	36
Relative Atomic Mass	64.927789476 ± 0.00000069 Da
g-factor
natural abundance	30.85 ± 0.15
Dadfeilio ymbelydrol	stable isotope
Hanner oes	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0.204 ± 0.014
dyddiad darganfod	1923
parity	-

⁶⁶Cu

Rhif màs	66
neutron number	37
Relative Atomic Mass	65.928868804 ± 0.000000696 Da
g-factor	-0.2826 ± 0.0008
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	5.12 ± 0.014 m
spin	1
nuclear quadrupole moment
dyddiad darganfod	1937
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁷Cu

Rhif màs	67
neutron number	38
Relative Atomic Mass	66.92772949 ± 0.000000957 Da
g-factor	1.6780666666667 ± 0.0004
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	61.83 ± 0.12 h
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1948
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁸Cu

Rhif màs	68
neutron number	39
Relative Atomic Mass	67.929610887 ± 0.0000017 Da
g-factor	2.396 ± 0.0006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	30.9 ± 0.6 s
spin	1
nuclear quadrupole moment
dyddiad darganfod	1953
parity	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁶⁹Cu

Rhif màs	69
neutron number	40
Relative Atomic Mass	68.929429267 ± 0.0000015 Da
g-factor	1.8943333333333 ± 0.00066666666666667
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	2.85 ± 0.15 m
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1966
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷⁰Cu

Rhif màs	70
neutron number	41
Relative Atomic Mass	69.932392078 ± 0.000001161 Da
g-factor	0.22801666666667 ± 0.000083333333333333
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	44.5 ± 0.2 s
spin	6
nuclear quadrupole moment
dyddiad darganfod	1971
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷¹Cu

Rhif màs	71
neutron number	42
Relative Atomic Mass	70.932676831 ± 0.0000016 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	19.4 ± 1.4 s
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷²Cu

Rhif màs	72
neutron number	43
Relative Atomic Mass	71.935820306 ± 0.0000015 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	6.63 ± 0.03 s
spin	2
nuclear quadrupole moment
dyddiad darganfod	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

⁷³Cu

Rhif màs	73
neutron number	44
Relative Atomic Mass	72.936674376 ± 0.000002084 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	4.2 ± 0.12 s
spin	3/2
nuclear quadrupole moment
dyddiad darganfod	1983
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.029%

⁷⁴Cu

Rhif màs	74
neutron number	45
Relative Atomic Mass	73.93987486 ± 0.0000066 Da
g-factor	-0.5335 ± 0.0006
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.606 ± 0.009 s
spin	2
nuclear quadrupole moment
dyddiad darganfod	1987
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.075%

⁷⁵Cu

Rhif màs	75
neutron number	46
Relative Atomic Mass	74.941523817 ± 0.00000077 Da
g-factor	0.40276 ± 0.0004
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	1.224 ± 0.003 s
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1985
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	2.7%

⁷⁶Cu

Rhif màs	76
neutron number	47
Relative Atomic Mass	75.945268974 ± 0.00000098 Da
g-factor	-0.36356666666667 ± 0.0005
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	637.7 ± 5.5 ms
spin	3
nuclear quadrupole moment
dyddiad darganfod	1987
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	7.2%

⁷⁷Cu

Rhif màs	77
neutron number	48
Relative Atomic Mass	76.947543599 ± 0.0000013 Da
g-factor	0.63852 ± 0.00068
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	470.3 ± 1.7 ms
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1987
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	30.1%

⁷⁸Cu

Rhif màs	78
neutron number	49
Relative Atomic Mass	77.951916524 ± 0.000014312 Da
g-factor	0.039666666666667 ± 0.0005
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	330.7 ± 2 ms
spin	6
nuclear quadrupole moment
dyddiad darganfod	1991
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	50.6%
2n (2-neutron emission)

⁷⁹Cu

Rhif màs	79
neutron number	50
Relative Atomic Mass	78.9544731 ± 0.0001127 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	241.3 ± 2.1 ms
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	1991
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	66%
2n (2-neutron emission)

⁸⁰Cu

Rhif màs	80
neutron number	51
Relative Atomic Mass	79.960623 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	113.3 ± 6.4 ms
spin
nuclear quadrupole moment
dyddiad darganfod	1995
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	58%
2n (2-neutron emission)

⁸¹Cu

Rhif màs	81
neutron number	52
Relative Atomic Mass	80.965743 ± 0.000322 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	73.2 ± 6.8 ms
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	2010
parity	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	81%
2n (2-neutron emission)

⁸²Cu

Rhif màs	82
neutron number	53
Relative Atomic Mass	81.972378 ± 0.000429 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes	34 ± 7 ms
spin
nuclear quadrupole moment
dyddiad darganfod	2010
parity

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁸³Cu

Rhif màs	83
neutron number	54
Relative Atomic Mass	82.97811 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin	5/2
nuclear quadrupole moment
dyddiad darganfod	2017
parity	-

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

⁸⁴Cu

Rhif màs	84
neutron number	55
Relative Atomic Mass	83.985271 ± 0.000537 Da
g-factor
natural abundance
Dadfeilio ymbelydrol	☢️ elfen ymbelydrol
Hanner oes
spin
nuclear quadrupole moment
dyddiad darganfod
parity

decay mode	intensity
β⁻ (β⁻ decay)
β⁻ n (β⁻-delayed neutron emission)

hanes

darganfyddwr neu ddyfeisiwr	Known to the ancients.
man darganfod
dyddiad darganfod
geirdarddiad	Symbol from Latin: cuprum (island of Cyprus famed for its copper mines).
ynganiad	KOP-er (Saesneg)

source

Abundance
Abundance in Earth's crust	60 mg/kg
natural abundance (cefnfor)	0.00025 mg/L
natural abundance (corff dynol)	0.0001 %
natural abundance (Awyrfaen)	0.011 %
natural abundance (Haul)	0.00007 %
Abundance in Universe	0.000006 %

Nuclear Screening Constants

1	s	0.6614
2	p	3.903
2	s	7.9802
3	d	15.7994
3	p	14.2694
3	s	13.4057
4	s	23.1576

Coure on ChemicalAid

Coure (Cu)

Nodwedd Ffisegol

Nodwedd Gemegol

other

Isotopes of Copper

52Cu

53Cu

54Cu

55Cu

56Cu

57Cu

58Cu

59Cu

60Cu

61Cu

62Cu

63Cu

64Cu

65Cu

66Cu

67Cu

68Cu

69Cu

70Cu

71Cu

72Cu

73Cu

74Cu

75Cu

76Cu

77Cu

78Cu

79Cu

80Cu

81Cu

82Cu

83Cu

84Cu

hanes

source

Nuclear Screening Constants

⁵²Cu

⁵³Cu

⁵⁴Cu

⁵⁵Cu

⁵⁶Cu

⁵⁷Cu

⁵⁸Cu

⁵⁹Cu

⁶⁰Cu

⁶¹Cu

⁶²Cu

⁶³Cu

⁶⁴Cu

⁶⁵Cu

⁶⁶Cu

⁶⁷Cu

⁶⁸Cu

⁶⁹Cu

⁷⁰Cu

⁷¹Cu

⁷²Cu

⁷³Cu

⁷⁴Cu

⁷⁵Cu

⁷⁶Cu

⁷⁷Cu

⁷⁸Cu

⁷⁹Cu

⁸⁰Cu

⁸¹Cu

⁸²Cu

⁸³Cu

⁸⁴Cu