Germanium Element (Periodic Table)

Germanium
Germanium block

Germanium (Ge) is a chemical element of the periodic table, located in the group 14 and the period 4, and has the atomic number 32. It is a hard, lustrous, grayish-white metalloid, whose name comes from the Latin word “Germania”, which means Germany, homeland of the discoverer. It is a member of the carbon group.

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
– p block

Germanium Element Information

Germanium Element
Germanium appearance | source: Wikipedia
Germanium Periodic Table
Germanium location on periodic table
Germanium is found in the fourth row of the periodic table below the silicon element.
Origin of name Latin word “Germania” (which means Germany)
Symbol Ge
Atomic number (Z) 32
Atomic mass 72.64 u
Block p-block
Group 14 (carbon group)
Period 4
Classification Metalloid
Atomic radius 122 pm
Covalent radius 122 pm
Van der Waals radius 211 pm
Melting point 938.25 ℃, 1720.85 ℉, 1211.40 K
Boiling point 2833 ℃, 5131 ℉, 3106 K
Electron configuration [Ar] 3d10 4s2 4p2
Learn how to write: Germanium Electron Configuration
Electrons per shell 2, 8, 18, 4
Learn how to draw: Germanium Bohr Model
Crystal structure Face-centered diamond-cubic
Phase at r.t Solid
Density near r.t 5.323 g/cm3
Main isotopes Germanium-70, Germanium-72, Germanium-73, Germanium-74
Natural occurrence Primordial
Oxidation state -4, +2, +4
Electronegativity (Pauling scale) 2.01
Protons
Neutrons
Electrons
32
41
32
Learn how to find: Germanium Protons Neutrons Electrons
Valence electrons 4
Learn how to find: Germanium Valence Electrons
CAS number 7440-56-4
Discovered by Clemens Winkler in 1886

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