Gold Element (Periodic Table)

Gold

Gold (Au) is a chemical element of the periodic table, located in the group 11 and the period 6, and is having the atomic number 79. It is a soft, lustrous, ductile, malleable, metallic yellow transition metal, whose name comes from the Latin word “aurum”, which means gold. It is counted as one of the least reactive chemical elements.

group
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
period
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
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
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
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
71
Lu
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
103
Lr
– d block

FAQs on Gold Element

Gold
‣ What does gold look like?

Appearance: metallic yellow
‣ When was gold discovered and by whom?

Discovery: In the Middle East (before 6000 BCE)
‣ Where is gold located on the periodic table?

Gold Periodic Table

Location: Gold is found in the eleventh column of the periodic table, next to the platinum element.
‣ What is gold’s atomic number?

Atomic number (Z): 79
‣ What is the symbol for gold on the periodic table?

Symbol: Au
‣ What is gold’s atomic weight?

Standard atomic weight: 196.966570
‣ Gold (au) is found in which block of the periodic table?

Block: d-block
‣ What group is gold in on the periodic table?

Group: 11
‣ What period is gold in on the periodic table?

Period: 6
‣ What is the atomic radius of gold?

Atomic radius: empirical: 144 pm
Gold covalent radius: 136±6 pm
Gold Van der Waals radius: 166 pm
‣ What is gold’s melting point?

Melting point: 1337.33 K (1064.18 °C, 1947.52 °F)
‣ What is gold’s boiling point?

Boiling point: 3243 K (2970 °C, 5378 °F)
‣ How many electron shells does gold have?

Electrons per shell: 2, 8, 18, 32, 18, 1
‣ What is gold’s electron configuration?

Electron configuration: [Xe] 4f14 5d10 6s1
‣ What is gold’s ionization energy?

Ionization energies:
1st: 890.1 kJ/mol
2nd: 1980 kJ/mol
‣ What is the phase of gold?

Phase (at r.t): solid
‣ What is gold’s density?

Density (near r.t): 19.30 g/cm3
when liquid (at m.p): 17.31 g/cm3
Gold magnetic ordering: diamagnetic
Gold natural occurrence: primordial
‣ What is the oxidation state of gold?

Oxidation state: +1, +3
‣ What is the electronegativity of gold?

Electronegativity: Pauling scale: 2.54
Gold poisson’s ratio: 0.4
Gold heat of fusion: 12.55 kJ/mol
Gold heat of vaporization: 342 kJ/mol
Gold molar heat capacity: 25.418 J/(mol K)
Gold molar magnetic susceptibility: -28.0 × 10-6 cm3/mol (at 296 K)
Speed of sound in gold: 2030 m/s (at r.t)
‣ What is gold’s crystal structure?

Crystal structure: face-centered cubic (fcc)
Thermal expansion of gold: 14.2 µm/(m.K) (at 25 °C)
Thermal conductivity of gold: 318 W/(m.K)
Gold electrical resistivity: 22.14 nΩ.m (at 20 °C)
‣ What is gold’s hardness?

Mohs hardness: 2.5
Vickers hardness: 188-216 MPa
Brinell hardness: 188-245 MPa
‣ What is the tensile strength of gold?

Tensile strength: 120 MPa
Young’s modulus of gold: 79 GPa
Shear modulus of gold: 27 GPa
Bulk modulus of gold: 180 GPa
Gold CAS number: 7440-57-5

‣ Gold vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)164618142021228126203078

‣ How many isotopes does gold have?

Main isotopes of gold
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
195Ausyn186.10 dε195Pt
196Ausyn6.183 dε
β
196Pt
196Hg
197Au100 %stable
198Ausyn2.69517 dβ198Hg
199Ausyn3.169 dβ199Hg

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