Bakar (Cu)

hemijski element sa simbolom Cu i atomskim brojem 29

Atomic Number	29
Atomic Weight	63.546
Maseni broj	63

Group	11
Period	4
Block	d

Proton	29 p⁺
Neutron	34 n⁰
Elektron	29 e^-

Animated Bohrov model atoma of Cu (Bakar)

Physical Property

Atomski Radijus	135 pm 217 pm
Molarni volumen	7,1 cm³/mol
covalent radius	112 pm 115 pm 120 pm 137 pm 132 pm
Metallic Radius	118 pm 128 pm
Ionski radijus	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 Waalsov radijus	200 pm 196 pm 226 pm 349,5 pm
gustoća	8,96 g/cm³ 8.020 kg/m³

Chemical Property

{ERROR}

energija

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

Toplota isparavanja	304,6 kJ/mol
toplota topljenja	13,01 kJ/mol
standard enthalpy of formation	337,4 kJ/mol
Elektron

electron shell	2, 8, 18, 1

Valentni elektron	1 ⓘ

electron configuration	[Ar] 3d¹⁰ 4s¹ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 3d¹⁰ 4s¹

oksidacijsko stanje	-2, 0, 1, 2, 3, 4
Elektronegativnost	10,96 eV/particle 0.1511716 1.9
Electrophilicity Index	1,546403297611602 eV/particle
fundamental state of matter

agregatno stanje
gaseous state of matter
Boiling Point	2.833,15 K
Melting Point	1.357,77 K
critical pressure
Kritična temperatura
Trojna tačka
appearance
boja	Black #a52a2a #c88033 #c88033
appearance	red-orange metallic luster
Indeks prelamanja
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
Specifična električna provodljivost	59 MS/m
electrical resistivity	0,000000017 Ω*m
Superprovodljivost
Magnetizam
type	diamagnetic
magnetic susceptibility (Mass)	-0,00000000108 m³/Kg
magnetic susceptibility (Molar)	-0,0000000000686 m³/mol
magnetic susceptibility (Volume)	-0,00000963
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal Structure	{ERROR}
lattice constant	3,61 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
Tvrdoća	874 MPa 3 MPa 369 MPa
bulk modulus	140 GPa
shear modulus	48 GPa
Young's modulus	130 GPa
Poisson's ratio	0,34
Brzina zvuka	3.570 m/s
klasifikacija
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
Kvantni brojevi	2S1/2
space group	225 (Fm_3m)

Isotopes of Copper

Stable Isotopes	2
Unstable Isotopes	31
Natural Isotopes	2

⁵²Cu

Maseni broj	52
broj neutrona	23
Relative Atomic Mass	51,997982 ± 0,000644 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3
nuclear quadrupole moment
datum otkrića
parity	+

decay mode	intensity
p (proton emission)

⁵³Cu

Maseni broj	53
broj neutrona	24
Relative Atomic Mass	52,985894 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3/2
nuclear quadrupole moment
datum otkrića
parity	-

decay mode	intensity
p (proton emission)

⁵⁴Cu

Maseni broj	54
broj neutrona	25
Relative Atomic Mass	53,977198 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	3
nuclear quadrupole moment
datum otkrića
parity	+

decay mode	intensity
p (proton emission)

⁵⁵Cu

Maseni broj	55
broj neutrona	26
Relative Atomic Mass	54,966038 ± 0,000167 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	55,9 ± 1,5 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	1987
parity	-

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

⁵⁶Cu

Maseni broj	56
broj neutrona	27
Relative Atomic Mass	55,958529278 ± 0,000006864 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	80,8 ± 0,6 ms
spin	4
nuclear quadrupole moment
datum otkrića	1987
parity	+

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

⁵⁷Cu

Maseni broj	57
broj neutrona	28
Relative Atomic Mass	56,949211686 ± 0,000000537 Da
g-factor	1,7213333333333 ± 0,0046666666666667
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	196,4 ± 0,7 ms
spin	3/2
nuclear quadrupole moment
datum otkrića	1976
parity	-

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

⁵⁸Cu

Maseni broj	58
broj neutrona	29
Relative Atomic Mass	57,944532283 ± 0,000000604 Da
g-factor	0,571 ± 0,002
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,204 ± 0,007 s
spin	1
nuclear quadrupole moment
datum otkrića	1952
parity	+

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

⁵⁹Cu

Maseni broj	59
broj neutrona	30
Relative Atomic Mass	58,939496713 ± 0,000000566 Da
g-factor	1,2620666666667 ± 0,0006
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	81,5 ± 0,5 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1947
parity	-

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

⁶⁰Cu

Maseni broj	60
broj neutrona	31
Relative Atomic Mass	59,937363787 ± 0,000001731 Da
g-factor	0,61 ± 0,00025
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	23,7 ± 0,4 m
spin	2
nuclear quadrupole moment
datum otkrića	1947
parity	+

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

⁶¹Cu

Maseni broj	61
broj neutrona	32
Relative Atomic Mass	60,933457375 ± 0,00000102 Da
g-factor	1,4071333333333 ± 0,00033333333333333
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	3,343 ± 0,016 h
spin	3/2
nuclear quadrupole moment
datum otkrića	1937
parity	-

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

⁶²Cu

Maseni broj	62
broj neutrona	33
Relative Atomic Mass	61,932594803 ± 0,000000683 Da
g-factor	-0,38 ± 0,0004
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	9,672 ± 0,008 m
spin	1
nuclear quadrupole moment
datum otkrića	1936
parity	+

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

⁶³Cu

Maseni broj	63
broj neutrona	34
Relative Atomic Mass	62,929597119 ± 0,000000457 Da
g-factor
natural abundance	69,15 ± 0,15
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0,22 ± 0,015
datum otkrića	1923
parity	-

⁶⁴Cu

Maseni broj	64
broj neutrona	35
Relative Atomic Mass	63,929764001 ± 0,000000458 Da
g-factor	-0,2166 ± 0,0004
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	12,7004 ± 0,0013 h
spin	1
nuclear quadrupole moment
datum otkrića	1936
parity	+

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

⁶⁵Cu

Maseni broj	65
broj neutrona	36
Relative Atomic Mass	64,927789476 ± 0,00000069 Da
g-factor
natural abundance	30,85 ± 0,15
Radioaktivnost	stable isotope
Vrijeme poluraspada	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	-0,204 ± 0,014
datum otkrića	1923
parity	-

⁶⁶Cu

Maseni broj	66
broj neutrona	37
Relative Atomic Mass	65,928868804 ± 0,000000696 Da
g-factor	-0,2826 ± 0,0008
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	5,12 ± 0,014 m
spin	1
nuclear quadrupole moment
datum otkrića	1937
parity	+

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

⁶⁷Cu

Maseni broj	67
broj neutrona	38
Relative Atomic Mass	66,92772949 ± 0,000000957 Da
g-factor	1,6780666666667 ± 0,0004
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	61,83 ± 0,12 h
spin	3/2
nuclear quadrupole moment
datum otkrića	1948
parity	-

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

⁶⁸Cu

Maseni broj	68
broj neutrona	39
Relative Atomic Mass	67,929610887 ± 0,0000017 Da
g-factor	2,396 ± 0,0006
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	30,9 ± 0,6 s
spin	1
nuclear quadrupole moment
datum otkrića	1953
parity	+

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

⁶⁹Cu

Maseni broj	69
broj neutrona	40
Relative Atomic Mass	68,929429267 ± 0,0000015 Da
g-factor	1,8943333333333 ± 0,00066666666666667
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	2,85 ± 0,15 m
spin	3/2
nuclear quadrupole moment
datum otkrića	1966
parity	-

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

⁷⁰Cu

Maseni broj	70
broj neutrona	41
Relative Atomic Mass	69,932392078 ± 0,000001161 Da
g-factor	0,22801666666667 ± 0,000083333333333333
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	44,5 ± 0,2 s
spin	6
nuclear quadrupole moment
datum otkrića	1971
parity	-

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

⁷¹Cu

Maseni broj	71
broj neutrona	42
Relative Atomic Mass	70,932676831 ± 0,0000016 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	19,4 ± 1,4 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1983
parity	-

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

⁷²Cu

Maseni broj	72
broj neutrona	43
Relative Atomic Mass	71,935820306 ± 0,0000015 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	6,63 ± 0,03 s
spin	2
nuclear quadrupole moment
datum otkrića	1983
parity	-

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

⁷³Cu

Maseni broj	73
broj neutrona	44
Relative Atomic Mass	72,936674376 ± 0,000002084 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	4,2 ± 0,12 s
spin	3/2
nuclear quadrupole moment
datum otkrića	1983
parity	-

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

⁷⁴Cu

Maseni broj	74
broj neutrona	45
Relative Atomic Mass	73,93987486 ± 0,0000066 Da
g-factor	-0,5335 ± 0,0006
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,606 ± 0,009 s
spin	2
nuclear quadrupole moment
datum otkrića	1987
parity	-

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

⁷⁵Cu

Maseni broj	75
broj neutrona	46
Relative Atomic Mass	74,941523817 ± 0,00000077 Da
g-factor	0,40276 ± 0,0004
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	1,224 ± 0,003 s
spin	5/2
nuclear quadrupole moment
datum otkrića	1985
parity	-

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

⁷⁶Cu

Maseni broj	76
broj neutrona	47
Relative Atomic Mass	75,945268974 ± 0,00000098 Da
g-factor	-0,36356666666667 ± 0,0005
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	637,7 ± 5,5 ms
spin	3
nuclear quadrupole moment
datum otkrića	1987
parity	-

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

⁷⁷Cu

Maseni broj	77
broj neutrona	48
Relative Atomic Mass	76,947543599 ± 0,0000013 Da
g-factor	0,63852 ± 0,00068
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	470,3 ± 1,7 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1987
parity	-

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

⁷⁸Cu

Maseni broj	78
broj neutrona	49
Relative Atomic Mass	77,951916524 ± 0,000014312 Da
g-factor	0,039666666666667 ± 0,0005
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	330,7 ± 2 ms
spin	6
nuclear quadrupole moment
datum otkrića	1991
parity	-

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

⁷⁹Cu

Maseni broj	79
broj neutrona	50
Relative Atomic Mass	78,9544731 ± 0,0001127 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	241,3 ± 2,1 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	1991
parity	-

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

⁸⁰Cu

Maseni broj	80
broj neutrona	51
Relative Atomic Mass	79,960623 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	113,3 ± 6,4 ms
spin
nuclear quadrupole moment
datum otkrića	1995
parity

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

⁸¹Cu

Maseni broj	81
broj neutrona	52
Relative Atomic Mass	80,965743 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	73,2 ± 6,8 ms
spin	5/2
nuclear quadrupole moment
datum otkrića	2010
parity	-

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

⁸²Cu

Maseni broj	82
broj neutrona	53
Relative Atomic Mass	81,972378 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada	34 ± 7 ms
spin
nuclear quadrupole moment
datum otkrića	2010
parity

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

⁸³Cu

Maseni broj	83
broj neutrona	54
Relative Atomic Mass	82,97811 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin	5/2
nuclear quadrupole moment
datum otkrića	2017
parity	-

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

⁸⁴Cu

Maseni broj	84
broj neutrona	55
Relative Atomic Mass	83,985271 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost	☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića
parity

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

historija

otkrivač ili izumitelj	Known to the ancients.
mjesto otkrića
datum otkrića
Etimologija	Symbol from Latin: cuprum (island of Cyprus famed for its copper mines).
pronunciation	KOP-er (engleski)

izvor

Abundance
Abundance in Earth's crust	60 mg/kg
natural abundance (okean)	0,00025 mg/L
natural abundance (ljudsko tijelo)	0,0001 %
natural abundance (Meteoroidi)	0,011 %
natural abundance (Sunce)	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

Bakar on ChemicalAid

Bakar (Cu)

Physical Property

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

historija

izvor

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