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Ytterbium vs Hassium

Ytterbium
Hassium
Hassium vs Ytterbium


Periodic Table
Symbol
Yb  
Hs  
Group Number
3  
15
8  
10
Period Number
6  
7  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7440644  
26
54037579  
11
Space Group Name
Fm_ 3m  
-  
Space Group Number
225.00  
3
166.00  
9
Facts
Interesting Facts
  • Ytterbium metal oxidizes rapidly if exposed to air.
  • Ytterbium metal can dissolve quickly in Mineral acid.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Jean Charles Galissard de Marignac  
Gesellschaft für Schwerionenforschung  
Discovery
In 1878  
In 1984  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
40
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
36
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
33
-  
Abundance In Oceans
0.00 %  
37
-  
Abundance In Humans
0.00 %  
24
-  
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.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
Automobile Industry, Chemical Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Highly Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
2.10 p.p.m.  
15
0.00 p.p.m.  
99+
Physical
Melting Point
824.00 °C  
99+
-  
Boiling Point
1,196.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silver  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
1.00  
22
4.50  
10
Brinell Hardness
343.00 MPa  
37
230.00 MPa  
99+
Vickers Hardness
206.00 MPa  
99+
2,450.00 MPa  
5
Speed of Sound
1,590.00 m/s  
99+
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.60  
33
1.30  
99+
Reflectivity
30.00 %  
35
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Yb  
Hs  
Isotopes
  
  
Known Isotopes
30  
9
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.10  
99+
2.20  
5
Sanderson Electronegativity
1.10  
38
1.30  
25
Allred Rochow Electronegativity
1.06  
34
1.30  
25
Mulliken-Jaffe Electronegativity
1.10  
99+
1.30  
33
Allen Electronegativity
1.10  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.00  
99+
Ionization Energies
  
  
1st Energy Level
603.40 kJ/mol  
99+
733.30 kJ/mol  
26
2nd Energy Level
1,174.80 kJ/mol  
99+
1,756.00 kJ/mol  
25
3rd Energy Level
2,417.00 kJ/mol  
99+
2,827.00 kJ/mol  
37
4th Energy Level
4,203.00 kJ/mol  
99+
3,637.50 kJ/mol  
99+
5th Energy Level
6,150.00 kJ/mol  
99+
4,940.00 kJ/mol  
99+
6th Energy Level
6,030.00 kJ/mol  
99+
6,175.10 kJ/mol  
99+
7th Energy level
6,150.00 kJ/mol  
99+
7,535.50 kJ/mol  
32
8th Energy Level
6,034.00 kJ/mol  
99+
8,857.40 kJ/mol  
21
9th Energy Level
6,150.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
10th Energy Level
6,150.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
6,150.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
12th Energy Level
6,030.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
13th Energy Level
6,030.00 kJ/mol  
99+
4,200.00 kJ/mol  
99+
14th Energy Level
6,030.00 kJ/mol  
31
1,124.00 kJ/mol  
99+
15th Energy Level
60,300.00 kJ/mol  
99+
68,200.00 kJ/mol  
31
16th Energy Level
60,300.00 kJ/mol  
32
32,800.00 kJ/mol  
99+
17th Energy Level
603.40 kJ/mol  
99+
1,089.00 kJ/mol  
22
18th Energy Level
6,110.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
603.00 kJ/mol  
99+
1,086.50 kJ/mol  
19
20th Energy Level
615.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
603.40 kJ/mol  
99+
1,086.00 kJ/mol  
30
22nd Energy Level
603.00 kJ/mol  
99+
350.00 kJ/mol  
99+
23rd Energy Level
603.40 kJ/mol  
99+
1,120.00 kJ/mol  
34
24th Energy Level
603.40 kJ/mol  
99+
540.90 kJ/mol  
99+
25th Energy Level
603.40 kJ/mol  
99+
610.00 kJ/mol  
99+
26th Energy Level
603.40 kJ/mol  
99+
587.40 kJ/mol  
99+
27th Energy Level
603.40 kJ/mol  
99+
880.00 kJ/mol  
5
28th Energy Level
603.40 kJ/mol  
99+
840.00 kJ/mol  
14
29th Energy Level
603.40 kJ/mol  
99+
867.80 kJ/mol  
11
30th Energy Level
603.40 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
2.15 g/amp-hr  
29
3.00 g/amp-hr  
21
Electron Work Function
3.20 eV  
99+
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
70  
99+
108  
10
Electron Configuration
[Xe] 4f14 6s2  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
FCC-Crystal-Structure-of-Ytterbium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
70  
99+
108  
10
Number of Neutrons
103  
32
158  
7
Number of Electrons
70  
99+
108  
10
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
126.00 pm  
99+
Covalent Radius
187.00 pm  
20
134.00 pm  
99+
Van der Waals Radius
242.00 pm  
16
0.00 pm  
99+
Atomic Weight
173.05 amu  
99+
269.00 amu  
9
Atomic Volume
24.79 cm3/mol  
13
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Thulium
  
Bohrium
  
Next Element
Lutetium
  
Meitnerium
  
Valence Electron Potential
50.30 (-eV)  
28
0.00 (-eV)  
99+
Lattice Constant
548.47 pm  
12
-  
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.61  
20
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
6.90 g/cm3  
99+
40.70 g/cm3  
1
Density When Liquid (at m.p.)
6.21 g/cm3  
99+
41.00 g/cm3  
1
Tensile Strength
58.00 MPa  
36
80.00 MPa  
29
Viscosity
0.00  
20
0.00  
27
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
9.90 GPa  
99+
40.00 GPa  
19
Bulk Modulus
30.50 GPa  
99+
40.00 GPa  
38
Young's Modulus
23.90 GPa  
99+
40.00 GPa  
99+
Poisson Ratio
0.21  
34
0.34  
10
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
6.97  
99+
41.00  
2
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
13
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
25
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
0.25 nΩ·m  
99+
41.00 nΩ·m  
99+
Electrical Conductivity
0.04 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
63.20 kJ/mol  
19
Thermal
Specific Heat
0.15 J/(kg K)  
37
0.13 J/(kg K)  
99+
Molar Heat Capacity
26.74 J/mol·K  
32
25.92 J/mol·K  
99+
Thermal Conductivity
38.50 W/m·K  
35
0.00 W/m·K  
99+
Critical Temperature
26.30 K  
99+
1,323.00 K  
99+
Thermal Expansion
26.30 µm/(m·K)  
14
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
128.90 kJ/mol  
99+
126.00 kJ/mol  
99+
Enthalpy of Fusion
7.66 kJ/mol  
99+
-  
Enthalpy of Atomization
180.00 kJ/mol  
99+
-  
Standard Molar Entropy
59.90 J/mol.K  
26
57.20 J/mol.K  
29
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