Bakër, ²Bakri (Cu)

chemical element with symbol Cu and atomic number 29

Atomic Number	29
Atomic Weight	63.546
Numri i masës	63

Group	11
Period	4
Block	d

protoni	29 p⁺
neutroni	34 n⁰
elektroni	29 e^-

Animated Bohr model of Cu (Bakër, ²Bakri)

Tipar Fizik

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

Chemical Property

{ERROR}

energjia

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
elektroni

electron shell	2, 8, 18, 1

valence electron	1 ⓘ

konfigurimi i elektronit	[Ar] 3d¹⁰ 4s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹

oxidation number	-2, 0, 1, 2, 3, 4
Elektronegativiteti	10,96 eV/particle 0.1511716 1.9
Electrophilicity Index	1,546403297611602 eV/particle
fundamental state of matter

gjendja agregate e materies
gaseous state of matter
Boiling Point	2 833,15 K
Melting Point	1 357,77 K
critical pressure
critical temperature
triple point
appearance
Ngjyra	Black #a52a2a #c88033 #c88033
appearance	red-orange metallic luster
refractive index
thermodynamic material property
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
electrical conductivity	59 MS/m
electrical resistivity	0,000000017 Ω*m
Superpërcjellshmëria
Magnetizimi
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
strukturë
Crystal Structure	{ERROR}
lattice constant	3,61 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
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
Shpejtësia e zërit	3 570 m/s
klasifikim
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
numër kuantik	2S1/2
space group	225 (Fm_3m)

Isotopes of Copper

Stable Isotopes	2
Unstable Isotopes	31
Natural Isotopes	2

⁵²Cu

Numri i masës	52
numri i neutroneve	23
Relative Atomic Mass	51,997982 ± 0,000644 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	+

decay mode	intensitet
p (proton emission)

⁵³Cu

Numri i masës	53
numri i neutroneve	24
Relative Atomic Mass	52,985894 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	-

decay mode	intensitet
p (proton emission)

⁵⁴Cu

Numri i masës	54
numri i neutroneve	25
Relative Atomic Mass	53,977198 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	3
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity	+

decay mode	intensitet
p (proton emission)

⁵⁵Cu

Numri i masës	55
numri i neutroneve	26
Relative Atomic Mass	54,966038 ± 0,000167 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	55,9 ± 1,5 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	-

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

⁵⁶Cu

Numri i masës	56
numri i neutroneve	27
Relative Atomic Mass	55,958529278 ± 0,000006864 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	80,8 ± 0,6 ms
Spini	4
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	+

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

⁵⁷Cu

Numri i masës	57
numri i neutroneve	28
Relative Atomic Mass	56,949211686 ± 0,000000537 Da
g-factor	1,7213333333333 ± 0,0046666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	196,4 ± 0,7 ms
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1976
parity	-

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

⁵⁸Cu

Numri i masës	58
numri i neutroneve	29
Relative Atomic Mass	57,944532283 ± 0,000000604 Da
g-factor	0,571 ± 0,002
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,204 ± 0,007 s
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1952
parity	+

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

⁵⁹Cu

Numri i masës	59
numri i neutroneve	30
Relative Atomic Mass	58,939496713 ± 0,000000566 Da
g-factor	1,2620666666667 ± 0,0006
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	81,5 ± 0,5 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1947
parity	-

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

⁶⁰Cu

Numri i masës	60
numri i neutroneve	31
Relative Atomic Mass	59,937363787 ± 0,000001731 Da
g-factor	0,61 ± 0,00025
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	23,7 ± 0,4 m
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1947
parity	+

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

⁶¹Cu

Numri i masës	61
numri i neutroneve	32
Relative Atomic Mass	60,933457375 ± 0,00000102 Da
g-factor	1,4071333333333 ± 0,00033333333333333
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	3,343 ± 0,016 h
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1937
parity	-

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

⁶²Cu

Numri i masës	62
numri i neutroneve	33
Relative Atomic Mass	61,932594803 ± 0,000000683 Da
g-factor	-0,38 ± 0,0004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	9,672 ± 0,008 m
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1936
parity	+

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

⁶³Cu

Numri i masës	63
numri i neutroneve	34
Relative Atomic Mass	62,929597119 ± 0,000000457 Da
g-factor
natural abundance	69,15 ± 0,15
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	3/2
nuclear quadrupole moment	-0,22 ± 0,015
koha e zbulimit apo shpikjes	1923
parity	-

⁶⁴Cu

Numri i masës	64
numri i neutroneve	35
Relative Atomic Mass	63,929764001 ± 0,000000458 Da
g-factor	-0,2166 ± 0,0004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	12,7004 ± 0,0013 h
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1936
parity	+

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

⁶⁵Cu

Numri i masës	65
numri i neutroneve	36
Relative Atomic Mass	64,927789476 ± 0,00000069 Da
g-factor
natural abundance	30,85 ± 0,15
Radioaktivitet	stable isotope
half-life	Not Radioactive ☢️
Spini	3/2
nuclear quadrupole moment	-0,204 ± 0,014
koha e zbulimit apo shpikjes	1923
parity	-

⁶⁶Cu

Numri i masës	66
numri i neutroneve	37
Relative Atomic Mass	65,928868804 ± 0,000000696 Da
g-factor	-0,2826 ± 0,0008
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	5,12 ± 0,014 m
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1937
parity	+

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

⁶⁷Cu

Numri i masës	67
numri i neutroneve	38
Relative Atomic Mass	66,92772949 ± 0,000000957 Da
g-factor	1,6780666666667 ± 0,0004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	61,83 ± 0,12 h
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1948
parity	-

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

⁶⁸Cu

Numri i masës	68
numri i neutroneve	39
Relative Atomic Mass	67,929610887 ± 0,0000017 Da
g-factor	2,396 ± 0,0006
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	30,9 ± 0,6 s
Spini	1
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1953
parity	+

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

⁶⁹Cu

Numri i masës	69
numri i neutroneve	40
Relative Atomic Mass	68,929429267 ± 0,0000015 Da
g-factor	1,8943333333333 ± 0,00066666666666667
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	2,85 ± 0,15 m
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1966
parity	-

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

⁷⁰Cu

Numri i masës	70
numri i neutroneve	41
Relative Atomic Mass	69,932392078 ± 0,000001161 Da
g-factor	0,22801666666667 ± 0,000083333333333333
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	44,5 ± 0,2 s
Spini	6
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1971
parity	-

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

⁷¹Cu

Numri i masës	71
numri i neutroneve	42
Relative Atomic Mass	70,932676831 ± 0,0000016 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	19,4 ± 1,4 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1983
parity	-

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

⁷²Cu

Numri i masës	72
numri i neutroneve	43
Relative Atomic Mass	71,935820306 ± 0,0000015 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	6,63 ± 0,03 s
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1983
parity	-

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

⁷³Cu

Numri i masës	73
numri i neutroneve	44
Relative Atomic Mass	72,936674376 ± 0,000002084 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	4,2 ± 0,12 s
Spini	3/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1983
parity	-

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

⁷⁴Cu

Numri i masës	74
numri i neutroneve	45
Relative Atomic Mass	73,93987486 ± 0,0000066 Da
g-factor	-0,5335 ± 0,0006
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,606 ± 0,009 s
Spini	2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	-

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

⁷⁵Cu

Numri i masës	75
numri i neutroneve	46
Relative Atomic Mass	74,941523817 ± 0,00000077 Da
g-factor	0,40276 ± 0,0004
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	1,224 ± 0,003 s
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1985
parity	-

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

⁷⁶Cu

Numri i masës	76
numri i neutroneve	47
Relative Atomic Mass	75,945268974 ± 0,00000098 Da
g-factor	-0,36356666666667 ± 0,0005
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	637,7 ± 5,5 ms
Spini	3
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	-

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

⁷⁷Cu

Numri i masës	77
numri i neutroneve	48
Relative Atomic Mass	76,947543599 ± 0,0000013 Da
g-factor	0,63852 ± 0,00068
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	470,3 ± 1,7 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1987
parity	-

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

⁷⁸Cu

Numri i masës	78
numri i neutroneve	49
Relative Atomic Mass	77,951916524 ± 0,000014312 Da
g-factor	0,039666666666667 ± 0,0005
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	330,7 ± 2 ms
Spini	6
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1991
parity	-

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

⁷⁹Cu

Numri i masës	79
numri i neutroneve	50
Relative Atomic Mass	78,9544731 ± 0,0001127 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	241,3 ± 2,1 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1991
parity	-

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

⁸⁰Cu

Numri i masës	80
numri i neutroneve	51
Relative Atomic Mass	79,960623 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	113,3 ± 6,4 ms
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes	1995
parity

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

⁸¹Cu

Numri i masës	81
numri i neutroneve	52
Relative Atomic Mass	80,965743 ± 0,000322 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	73,2 ± 6,8 ms
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2010
parity	-

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

⁸²Cu

Numri i masës	82
numri i neutroneve	53
Relative Atomic Mass	81,972378 ± 0,000429 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life	34 ± 7 ms
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2010
parity

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

⁸³Cu

Numri i masës	83
numri i neutroneve	54
Relative Atomic Mass	82,97811 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini	5/2
nuclear quadrupole moment
koha e zbulimit apo shpikjes	2017
parity	-

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

⁸⁴Cu

Numri i masës	84
numri i neutroneve	55
Relative Atomic Mass	83,985271 ± 0,000537 Da
g-factor
natural abundance
Radioaktivitet	☢️ radioactive element
half-life
Spini
nuclear quadrupole moment
koha e zbulimit apo shpikjes
parity

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

historia

zbulues	Known to the ancients.
vendndodhja e zbulimit
koha e zbulimit apo shpikjes
Etimologjia	Symbol from Latin: cuprum (island of Cyprus famed for its copper mines).
pronunciation	KOP-er (anglisht)

burim

Abundance
Abundance in Earth's crust	60 mg/kg
natural abundance (Oqeani)	0,00025 mg/L
natural abundance (Trupi i njeriut)	0,0001 %
natural abundance (meteoroid)	0,011 %
natural abundance (Diell)	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

Bakër, ²Bakri on ChemicalAid

Bakër, ²Bakri (Cu)

Tipar Fizik

Chemical Property

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

historia

burim

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