Zinc Element (Periodic Table)

Zinc

Zinc (Zn) is a chemical element of the periodic table, located in the group 12 and the period 4, and is having the atomic number 30. It is a slightly brittle, silvery-white post transition metal, whose name comes from the German word “zinke”, which means prong or tooth. It is the 24th most abundant element on earth.

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 Zinc Element

Zinc
‣ What does zinc look like?

Appearance: silvery grey
‣ Who discovered zinc? When was zinc discovered?

Discovery: Indian Metallurgists (before 1000 BCE)
First isolation: Andreas Sigismund Marggraf (1746)
Recognized as a unique metal by: Rasaratna Samuccaya (1300)
‣ Where is zinc found on the periodic table?

Zinc Periodic Table

Location: Zinc is found in the fourth row of the periodic table, next to the copper element.
‣ What is zinc atomic number?

Atomic number (Z): 30
‣ What is the chemical symbol for zinc?

Symbol: Zn
‣ What is the atomic weight of zinc?

Standard atomic weight: 65.38
‣ What block is zinc in the periodic table?

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

Group: 12
‣ What period is zinc in on the periodic table?

Period: 4
‣ What is the atomic radius of zinc?

Atomic radius: empirical: 134 pm
Zinc covalent radius: 122±4 pm
Zinc Van der Waals radius: 139 pm
‣ What is zinc’s melting point?

Melting point: 692.68 K (419.53 °C, 787.15 °F)
‣ What is the boiling point of zinc?

Boiling point: 1180 K (907 °C, 1665 °F)
‣ How many electron shells does zinc have?

Electrons per shell: 2, 8, 18, 2
‣ What is zinc electron configuration?

Electron configuration: [Ar] 3d10 4s2
‣ What is the ionization energy of zinc?

Ionization energies:
1st: 906.4 kJ/mol
2nd: 1733.3 kJ/mol
3rd: 3833 kJ/mol
‣ What is the phase of zinc?

Phase (at r.t): solid
‣ What is the density of zinc in g/cm3?

Density (near r.t): 7.14 g/cm3
when liquid (at m.p): 6.57 g/cm3
Zinc magnetic ordering: diamagnetic
Zinc natural occurrence: primordial
‣ What is the oxidation state of zinc?

Oxidation state: +2
‣ What is the electronegativity of zinc?

Electronegativity: Pauling scale: 1.65
Zinc poisson’s ratio: 0.25
Zinc heat of fusion: 7.32 kJ/mol
Zinc heat of vaporization: 115 kJ/mol
Zinc molar heat capacity: 25.470 J/(mol K)
Zinc molar magnetic susceptibility: -11.4 × 10-6 cm3/mol (298 K)
Speed of sound in zinc: 3850 m/s (at r.t) (rolled)
‣ What is the crystal structure of zinc?


Crystal structure: hexagonal close-packed (hcp)
Thermal expansion of zinc: 30.2 µm/(m.K) (at 25 °C)
Thermal conductivity of zinc: 116 W/(m.K)
Zinc electrical resistivity: 59.0 nΩ.m (at 20 °C)
‣ What is zinc’s hardness?

Mohs hardness: 2.5
Brinell hardness: 327-412 MPa
Young’s modulus of zinc: 108 GPa
Shear modulus of zinc: 43 GPa
Bulk modulus of zinc: 70 GPa
Zinc CAS number: 7440-66-6

‣ Zinc vapor pressure

Vapor pressure
P (Pa)1101001 k10 k100 k
at T (K)6106707508529901179

‣ How many isotopes does zinc have?

Main isotopes of zinc
IsotopeAbundanceHalf-life (t1/2)Decay modeProduct
64Zn49.2 %stable
65Znsyn244 dε
γ
65Cu
66Zn27.7 %stable
67Zn4.0 %stable
68Zn18.5 %stable
69Znsyn56 minβ69Ga
69Znsyn13.8 hβ69Ga
70Zn0.6 %stable
71Znsyn24 minβ71Ga
71Znsyn4 dβ71Ga
72Znsyn46.5 hβ72Ga

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