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Periodic Table Element Comparison: Compare Elements - Cadmium vs Germanium

Compare Cadmium and Germanium

Compare Cadmium and Germanium on the basis of their properties, attributes and periodic table facts. Compare elements on more than 90 properties. All the elements of similar categories show a lot of similarities and differences in their chemical, atomic, physical properties and uses. These similarities and dissimilarities should be known while we study periodic table elements. You can study the detailed comparison between Cadmium vs Germanium with most reliable information about their properties, attributes, facts, uses etc. You can compare Cd vs Ge on more than 90 properties like electronegativity , oxidation state, atomic shells, orbital structure, Electronaffinity, physical states, electrical conductivity and many more.

Facts

Cadmium
48
Cd
112.411
Solid
Silver
transition metal
12
zinc family 
5
d
[Kr] 4d10 5s2
321.07 °C
767 °C
2, 8, 18, 18, 2
CAS7440-43-9
Neighborhood Elements of Cadmium
Germanium
32
Ge
72.64
Solid
Gray
metalloid
14
carbon family 
4
p
[Ar] 3d10 4s2 4p2
938.3 °C
2820 °C
2, 8, 18, 4
CAS7440-56-4
Neighborhood Elements of Germanium

History

History
The element Cadmium was discovered by Karl Samuel Leberecht Hermann in year 1817 in Germany. Cadmium derived its name from from the New Latin cadmia, from King Kadmos
The element Germanium was discovered by Clemens Winkler in year 1886 in Germany. Germanium derived its name derived its name from from Germania, the Latin name for Germany

Presence: Abundance in Nature and Around Us

Ppb by weight (1ppb =10^-7 %)
2×10-7%
6×10-7%
4.4e-07
1.5e-07
5×10-9%
7e-07
2e-07
2e-07
2.1e-05
1.4e-06
6×10-9%
N/A

Crystal Structure and Atomic Structure

161 pm
12.99549132948 cm3
148 pm
158 pm
2450
cadmium Spectrum
297.94, 297.94, 561.86 pm
π/2, π/2, 2 π/3
P63/mmc
194

Simple Hexagonal

cadmium Crystal Structure
125 pm
13.646439977456 cm3
122 pm
N/A
2.2
germanium Spectrum
565.75, 565.75, 565.75 pm
π/2, π/2, π/2
Fm_ 3m
225

Face Centered Cubic

germanium Crystal Structure

Atomic and Orbital Properties

Atomic Number
Number of Electrons (with no charge)
Number of Protons
Mass Number
Number of Neutrons
Shell structure (Electrons per energy level)
Electron Configuration
Valence Electrons
Oxidation State
Atomic Term Symbol (Quantum Numbers)
Shell structure
48
48
48
112.411
64.411
2, 8, 18, 18, 2
[Kr] 4d10 5s2
4d10 5s2
-2  1;2
1S0
cadmium Shells
32
32
32
72.64
40.64
2, 8, 18, 4
[Ar] 3d10 4s2 4p2
4s2 4p2
-4;-3;-2;-1  1;2;3;4
3P0
germanium Shells

Isotopes - Nuclear Properties

Isotopes
Naturally occurring stable isotopes:
106Cd, 108Cd, 110Cd, 111Cd, 112Cd, 114Cd.
Naturally occurring stable isotopes:
70Ge, 72Ge, 73Ge, 74Ge.

Chemical Properties: Ionization Energies and electron affinity

2
1.69
0 kJ/mol
867.8, 1631.4, 3616 kJ/mol
4
2.01
119 kJ/mol
762, 1537.5, 3302.1, 4411, 9020 kJ/mol

Physical Properties

8.65 g/cm3
12.99549132948

 

50 GPa
19 GPa
42 GPa
0.3


 

2 MPa
N/A
203 MPa

 

1.4×107 S/m
7×10-8 m Ω
0.517

 

97 W/(m K)
0.0000308 K-1

 

Diamagnetic
N/A
-2.3×10-9
-2.59×10-10
-1.99e-05

 

N/A

 

2310 m/s
5.323 g/cm3
13.646439977456

 

N/A
N/A
N/A
N/A


 

6 MPa
N/A
N/A

 

2×103 S/m
0.0005 m Ω
N/A

 

60 W/(m K)
6×10-6 K-1

 

Diamagnetic
N/A
-1.5×10-9
-1.09×10-10
-7.98×10-6

 

N/A

 

5.4×103 m/s

Thermal Properties - Enthalpies and thermodynamics

321.07 °C
767 °C
N/A
0.517

 

6.3 kJ/mol
100 kJ/mol
N/A
938.3 °C
2820 °C
N/A
N/A

 

31.8 kJ/mol
334 kJ/mol
-536 J/(kg K)

Regulatory and Health - Health and Safety Parameters and Guidelines

CAS7440-43-9
RTECSEU9800000
6.1
2570
N/A
2
N/A
2
0

 

250 °C
N/A
CAS7440-56-4
RTECSLY5200000
4.1
3089
N/A
0
N/A
1
0

 

N/A
N/A