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Ytterbium vs Cadmium

Ytterbium
Cadmium
Cadmium vs Ytterbium


Periodic Table
Symbol
Yb   
Cd   
Group Number
Not Available   
12   
6
Period Number
6   
5   
Block
f block   
d block   
Element Family
Lanthanide   
Transition Metal   
CAS Number
7440644   
26
7440439   
99+
Space Group Name
Fm_ 3m   
P63/mmc   
Space Group Number
225.00   
2
194.00   
5
Facts
Interesting Facts
  • Ytterbium metal oxidizes rapidly if exposed to air.
  • Ytterbium metal can dissolve quickly in Mineral acid.
  
  • Naturally occurring minor elements include Cadmium.
  • Cadmium is released into atmosphere to control volcanic eruption and forest fires.
  • It is used for electroplating of Steel for corrosion resistance.
  • It can absorb neutrons and used in nuclear reactor to control atomic fission.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found As a By-product, Found in Minerals, Mining   
History
  
  
Who Discovered
Jean Charles Galissard de Marignac   
Karl Samuel Leberecht Hermann and Friedrich Stromeyer   
Discovery
In 1878   
In 1817   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
2 * 10-7 %   
22
Abundance In Sun
~0.0000001 %   
26
~0.0000006 %   
21
Abundance In Meteorites
0.00 %   
36
0.00 %   
31
Abundance In Earth's Crust
0.00 %   
33
0.00 %   
99+
Abundance In Oceans
0.00 %   
37
0.00 %   
28
Abundance In Humans
Not Available   
0.00 %   
11
Uses
Uses & Benefits
  • Ytterbium metal is used in memory devices and tuneable laser.
  • It is also used as industrial catalyst as the other catalysts are too toxic and polluting.
  
  • It has very limited uses as it is a toxic metal and it can cause birth defects, cancer, etc.
  • Almost 80% of Cadmium metal is used in Nickel cadmium Batteries and now it is getting replaced with nickel hydride.
  
Industrial Uses
Automobile Industry, Chemical Industry   
Aerospace Industry, Ammunition Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Highly Toxic   
Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.01 Blood/mg dm-3   
24
In Bone
Not Available   
1.80 p.p.m.   
15
Physical Properties
Melting Point
824.00 °C   
99+
320.90 °C   
99+
Boiling Point
1,196.00 °C   
99+
765.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Bluish-Gray   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
2.00   
16
Brinell Hardness
343.00 MPa   
31
203.00 MPa   
39
Vickers Hardness
206.00 MPa   
33
Not Available   
Speed of Sound
1,590.00 m/s   
99+
2,310.00 m/s   
39
Optical Properties
  
  
Reflectivity
Not Available   
67.00 %   
11
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Yb   
Cd   
Isotopes
  
  
Known Isotopes
30   
9
34   
5
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.69   
17
Sanderson Electronegativity
Not Available   
1.98   
9
Allred Rochow Electronegativity
1.06   
33
1.46   
15
Mulliken-Jaffe Electronegativity
Not Available   
1.53   
13
Allen Electronegativity
Not Available   
1.52   
27
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.31   
37
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol   
99+
867.80 kJ/mol   
11
2nd Energy Level
1,174.80 kJ/mol   
99+
1,631.40 kJ/mol   
32
3rd Energy Level
2,417.00 kJ/mol   
99+
3,616.00 kJ/mol   
13
4th Energy Level
4,203.00 kJ/mol   
31
Not Available   
Electrochemical Equivalent
2.15 g/amp-hr   
25
2.10 g/amp-hr   
27
Electron Work Function
Not Available   
4.22 eV   
22
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
70   
99+
48   
99+
Electron Configuration
[Xe] 4f14 6s2   
[Kr] 4d10 5s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
HCP-Crystal-Structure-of-Cadmium.jpg#100   
Atom
  
  
Number of Protons
70   
99+
48   
99+
Number of Neutrons
103   
31
64   
99+
Number of Electrons
70   
99+
48   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
151.00 pm   
32
Covalent Radius
187.00 pm   
20
144.00 pm   
40
Van der Waals Radius
242.00 pm   
12
158.00 pm   
99+
Atomic Weight
173.05 amu   
99+
112.41 amu   
99+
Atomic Volume
24.79 cm3/mol   
9
13.10 cm3/mol   
39
Adjacent Atomic Numbers
  
  
Previous Element
Thulium
  
Silver
  
Next Element
Lutetium
  
Indium
  
Valence Electron Potential
50.30 (-eV)   
27
30.00 (-eV)   
99+
Lattice Constant
548.47 pm   
11
297.94 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.89   
1
Mechanical Properties
Density
  
  
Density At Room Temperature
6.90 g/cm3   
99+
8.65 g/cm3   
99+
Density When Liquid (at m.p.)
6.21 g/cm3   
99+
8.00 g/cm3   
28
Tensile Strength
58.00 MPa   
18
62.00 MPa   
16
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Elasticity properties
  
  
Shear Modulus
9.90 GPa   
99+
19.00 GPa   
35
Bulk Modulus
30.50 GPa   
39
42.00 GPa   
29
Young's Modulus
23.90 GPa   
99+
50.00 GPa   
36
Poisson Ratio
0.21   
33
0.30   
14
Other Mechanical Properties
Ductile, Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
6.97   
99+
8.65   
36
Magnetic Ordering
Paramagnetic   
Diamagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Semiconductor   
Resistivity
0.25 nΩ·m   
99+
72.70 nΩ·m   
36
Electrical Conductivity
0.04 106/cm Ω   
38
0.14 106/cm Ω   
15
Electron Affinity
50.00 kJ/mol   
21
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.15 J/(kg K)   
36
0.23 J/(kg K)   
26
Molar Heat Capacity
26.74 J/mol·K   
25
26.02 J/mol·K   
32
Thermal Conductivity
38.50 W/m·K   
35
96.60 W/m·K   
16
Critical Temperature
26.30 K   
7
Not Available   
Thermal Expansion
26.30 µm/(m·K)   
14
30.80 µm/(m·K)   
10
Enthalpy
  
  
Enthalpy of Vaporization
128.90 kJ/mol   
99+
100.00 kJ/mol   
99+
Enthalpy of Fusion
7.66 kJ/mol   
99+
6.19 kJ/mol   
99+
Enthalpy of Atomization
180.00 kJ/mol   
99+
113.00 kJ/mol   
99+
Standard Molar Entropy
59.90 J/mol.K   
21
51.80 J/mol.K   
27
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