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Copper,  29Cu
Native copper (~4 cm in size)
General properties
Wujud metallic bronze
Bobot atom standar (Ar, standard) 63.546(3)[1]
Copper in the periodic table
Hydrogen Helium
Lithium Beryllium Boron Carbon Nitrogen Oxygen Fluorine Neon
Sodium Magnesium Aluminium Silicon Phosphorus Sulfur Chlorine Argon
Potassium Calcium Scandium Titanium Vanadium Chromium Manganese Iron Cobalt Nickel Copper Zinc Gallium Germanium Arsenic Selenium Bromine Krypton
Rubidium Strontium Yttrium Zirconium Niobium Molybdenum Technetium Ruthenium Rhodium Palladium Silver Cadmium Indium Tin Antimony Tellurium Iodine Xenon
Caesium Barium Lanthanum Cerium Praseodymium Neodymium Promethium Samarium Europium Gadolinium Terbium Dysprosium Holmium Erbium Thulium Ytterbium Lutetium Hafnium Tantalum Tungsten Rhenium Osmium Iridium Platinum Gold Mercury (element) Thallium Lead Bismuth Polonium Astatine Radon
Francium Radium Actinium Thorium Protactinium Uranium Neptunium Plutonium Americium Curium Berkelium Californium Einsteinium Fermium Mendelevium Nobelium Lawrencium Rutherfordium Dubnium Seaborgium Bohrium Hassium Meitnerium Darmstadtium Roentgenium Copernicium Nihonium Flerovium Moscovium Livermorium Tennessine Oganesson
-

Cu

Ag
nickelcopperzinc
Atomic number (Z) 29
Group group 11
Period period 4
Blok d-block
Konfigurasi èlèktron [Ar] 3d10 4s1
Electrons per shell
2, 8, 18, 1
Sipat angga
Phase at STP solid
Melting point 1357.77 K ​(1084.62 °C, ​1984.32 °F)
Boiling point 2835 K ​(2562 °C, ​4643 °F)
Density (near r.t.) 8.96 g/cm3
when liquid (at m.p.) 8.02 g/cm3
Heat of fusion 13.26 kJ/mol
Heat of vaporization 300.4 kJ/mol
Molar heat capacity 24.440 J/(mol·K)
Vapor pressure
P (Pa) 1 10 100 1 k 10 k 100 k
at T (K) 1509 1661 1850 2089 2404 2836
Atomic properties
Oxidation states +1, +2, +3, +4 ​mildly basic oxide
Electronegativity Pauling scale: 1.90
Ionization energies
Atomic radius empirical: 128 pm
calculated: 145 pm
Covalent radius 138 pm
Van der Waals radius 140 pm
Color lines in a spectral range
Miscellanea
Crystal structure ​face centered cubic
0.3610 nm
[[File:face centered cubic
0.3610 nm|frameless|alt=Face centered cubic
0.3610 nm crystal structure for copper|upright=0.23|Face centered cubic
0.3610 nm crystal structure for copper]]
Speed of sound thin rod (annealed)
3810 m/s (at r.t.)
Thermal expansion 16.5 µm/(m·K) (at 25 °C)
Thermal conductivity 401 W/(m·K)
Electrical resistivity 16.78 n Ω·m (at 20 °C)
Magnetic ordering diamagnetic
Young's modulus 110 - 128 GPa
Shear modulus 48 GPa
Bulk modulus 140 GPa
Poisson ratio 0.34
Mohs hardness 3.0
Vickers hardness 369 MPa
Brinell hardness 874 MPa
CAS Number 7440-50-8
Main isotopes of copper
Iso­tope Abun­dance Half-life (t1/2) Decay mode Pro­duct
63Cu 69.15% Cu stabil kanthi 34 neutron
65Cu 30.85% Cu stabil kanthi 36 neutron
| references | in Wikidata

Tembaga yakuwi sawijining unsur kimia jroning tabel périodik kang nduwèni lambang Cu lan nomer atom 29. Asalé lambang saka basa Latin Cuprum. Tembaga wujud konduktor panas lan listrik sing apik. Saliyané iku unsur iki korosiné alon banget.

Golongan → 1 2
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Période ↓
1 1
H

2
He
2 3
Li
4
Be


5
B
6
C
7
N
8
O
9
F
10
Ne
3 11
Na
12
Mg


13
Al
14
Si
15
P
16
S
17
Cl
18
Ar
4 19
K
20
Ca

21
Sc
22
Ti
23
V
24
Cr
25
Mn
26
Fe
27
Co
28
Ni
29
Cu
30
Zn
31
Ga
32
Ge
33
As
34
Se
35
Br
36
Kr
5 37
Rb
38
Sr

39
Y
40
Zr
41
Nb
42
Mo
43
Tc
44
Ru
45
Rh
46
Pd
47
Ag
48
Cd
49
In
50
Sn
51
Sb
52
Te
53
I
54
Xe
6 55
Cs
56
Ba
*
71
Lu
72
Hf
73
Ta
74
W
75
Re
76
Os
77
Ir
78
Pt
79
Au
80
Hg
81
Tl
82
Pb
83
Bi
84
Po
85
At
86
Rn
7 87
 Fr 
88
Ra
**
103
Lr
104
Rf
105
Db
106
Sg
107
Bh
108
Hs
109
Mt
110
Ds
111
Rg
112
Cn
113
Nh
114
Fl
115
Mc
116
Lv
117
Ts
118
Og

* Lantanida 57
La
58
Ce
59
Pr
60
Nd
61
Pm
62
Sm
63
Eu
64
Gd
65
Tb
66
Dy
67
Ho
68
Er
69
Tm
70
Yb
** Aktinida 89
Ac
90
Th
91
Pa
92
U
93
Np
94
Pu
95
Am
96
Cm
97
Bk
98
Cf
99
Es
100
Fm
101
Md
102
No
Seri Kimia saka Tabel Périodik
Logam alkali Alkali tanah Lantanida Aktinida Logam transisi
Logam Metaloid Nonlogam Halogen Gas mulia


  1. Meija, J.; et al. (2016). "Atomic weights of the elements 2013 (IUPAC Technical Report)". Pure and Applied Chemistry 88 (3): 265–91. doi:10.1515/pac-2015-0305.