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Tantalum vs Ytterbium

Tantalum
Ytterbium
Ytterbium vs Tantalum


Periodic Table
Symbol
Ta   
Yb   
Group Number
5   
13
Not Available   
Period Number
6   
6   
Block
d block   
f block   
Element Family
Transition Metal   
Lanthanide   
CAS Number
7440257   
99+
7440644   
26
Space Group Name
Im_ 3m   
Fm_ 3m   
Space Group Number
229.00   
1
225.00   
2
Facts
Interesting Facts
  • Tantalum metal is known as corrosion resistance.
  • Tantalum metal can easily fabricated and It is a good conductor of heat and electricity.
  
  • Ytterbium metal oxidizes rapidly if exposed to air.
  • Ytterbium metal can dissolve quickly in Mineral acid.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Anders Gustaf Ekeberg   
Jean Charles Galissard de Marignac   
Discovery
In 1802   
In 1878   
Abundance
  
  
Abundance In Universe
8 * 10-9 %   
31
2 * 10-7 %   
22
Abundance In Sun
~-9999 %   
~0.0000001 %   
26
Abundance In Meteorites
0.00 %   
99+
0.00 %   
36
Abundance In Earth's Crust
0.00 %   
37
0.00 %   
33
Abundance In Oceans
0.00 %   
31
0.00 %   
37
Uses
Uses & Benefits
  • Tantalum metal is mainly used in the manufacturing of electron components. Its Oxide layer acts as an insulator.
  • Tantalum metal is also used in surgical transplant like replacement of bone, skull plates and as a woven gauze.
  
  • 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.
  
Industrial Uses
Electrical Industry, Electronic Industry   
Automobile Industry, Chemical Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Low Toxic   
Highly Toxic   
Present in Human Body
Yes   
No   
In Bone
0.03 p.p.m.   
28
Not Available   
Physical Properties
Melting Point
2,996.00 °C   
4
824.00 °C   
99+
Boiling Point
5,425.00 °C   
4
1,196.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Gray Blue   
Silvery White   
Luster
Metallic   
Metallic   
Hardness
  
  
Mohs Hardness
6.50   
5
Not Available   
Brinell Hardness
440.00 MPa   
28
343.00 MPa   
31
Vickers Hardness
870.00 MPa   
12
206.00 MPa   
33
Speed of Sound
3,400.00 m/s   
22
1,590.00 m/s   
99+
Optical Properties
  
  
Reflectivity
78.00 %   
6
Not Available   
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
Ta   
Yb   
Isotopes
  
  
Known Isotopes
31   
8
30   
9
Electronegativity
  
  
Pauling Electronegativity
1.50   
27
Not Available   
Allred Rochow Electronegativity
1.33   
22
1.06   
33
Allen Electronegativity
1.34   
33
Not Available   
Electropositivity
  
  
Pauling Electropositivity
2.50   
27
Not Available   
Ionization Energies
  
  
1st Energy Level
761.00 kJ/mol   
18
603.40 kJ/mol   
99+
2nd Energy Level
1,500.00 kJ/mol   
40
1,174.80 kJ/mol   
99+
3rd Energy Level
Not Available   
2,417.00 kJ/mol   
99+
4th Energy Level
Not Available   
4,203.00 kJ/mol   
31
Electrochemical Equivalent
1.35 g/amp-hr   
99+
2.15 g/amp-hr   
25
Electron Work Function
4.25 eV   
21
Not Available   
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
73   
99+
70   
99+
Electron Configuration
[Xe] 4f14 5d3 6s2   
[Xe] 4f14 6s2   
Crystal Structure
Body Centered Cubic (BCC)   
Face Centered Cubic (FCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
FCC-Crystal-Structure-of-Ytterbium.jpg#100   
Atom
  
  
Number of Protons
73   
99+
70   
99+
Number of Neutrons
108   
28
103   
31
Number of Electrons
73   
99+
70   
99+
Radius of an Atom
  
  
Atomic Radius
146.00 pm   
35
176.00 pm   
18
Covalent Radius
170.00 pm   
25
187.00 pm   
20
Van der Waals Radius
200.00 pm   
28
242.00 pm   
12
Atomic Weight
180.95 amu   
38
173.05 amu   
99+
Atomic Volume
10.90 cm3/mol   
99+
24.79 cm3/mol   
9
Adjacent Atomic Numbers
  
  
Previous Element
Hafnium
  
Thulium
  
Next Element
Tungsten
  
Lutetium
  
Valence Electron Potential
110.00 (-eV)   
7
50.30 (-eV)   
27
Lattice Constant
330.13 pm   
99+
548.47 pm   
11
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
16.69 g/cm3   
18
6.90 g/cm3   
99+
Density When Liquid (at m.p.)
15.00 g/cm3   
9
6.21 g/cm3   
99+
Tensile Strength
Not Available   
58.00 MPa   
18
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
31
Not Available   
Elasticity properties
  
  
Shear Modulus
69.00 GPa   
13
9.90 GPa   
99+
Bulk Modulus
200.00 GPa   
8
30.50 GPa   
39
Young's Modulus
186.00 GPa   
13
23.90 GPa   
99+
Poisson Ratio
0.34   
10
0.21   
33
Other Mechanical Properties
Ductile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
16.65   
11
6.97   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
131.00 nΩ·m   
25
0.25 nΩ·m   
99+
Electrical Conductivity
0.08 106/cm Ω   
27
0.04 106/cm Ω   
38
Electron Affinity
31.00 kJ/mol   
29
50.00 kJ/mol   
21
Thermal Properties
Specific Heat
0.14 J/(kg K)   
37
0.15 J/(kg K)   
36
Molar Heat Capacity
25.36 J/mol·K   
99+
26.74 J/mol·K   
25
Thermal Conductivity
57.50 W/m·K   
27
38.50 W/m·K   
35
Critical Temperature
Not Available   
26.30 K   
7
Thermal Expansion
6.30 µm/(m·K)   
99+
26.30 µm/(m·K)   
14
Enthalpy
  
  
Enthalpy of Vaporization
753.10 kJ/mol   
2
128.90 kJ/mol   
99+
Enthalpy of Fusion
31.40 kJ/mol   
3
7.66 kJ/mol   
99+
Enthalpy of Atomization
782.00 kJ/mol   
3
180.00 kJ/mol   
99+
Standard Molar Entropy
41.50 J/mol.K   
37
59.90 J/mol.K   
21
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