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Hassium vs Europium

Hassium
Europium
Europium vs Hassium


Periodic Table
Symbol
Hs  
Eu  
Group Number
8  
10
3  
15
Period Number
7  
6  
Block
d block  
f block  
Element Family
Transition Metal  
Lanthanide  
CAS Number
54037579  
11
7440531  
34
Space Group Name
-  
Im_ 3m  
Space Group Number
166.00  
9
229.00  
2
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Europium is used in Euro banknotes for security features.  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Eugène-Anatole Demarçay  
Discovery
In 1984  
In 1896  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
28
Abundance In Sun
-  
0.00 %  
27
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
36
Abundance In Oceans
-  
0.00 %  
99+
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
  • It is used in low energy light bulbs.
  
Industrial Uses
-  
Chemical Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
-  
822.00 °C  
99+
Boiling Point
0.00 °C  
99+
1,597.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
-  
Lustrous  
Hardness
  
  
Mohs Hardness
4.50  
10
2.00  
17
Brinell Hardness
230.00 MPa  
99+
167.00 MPa  
99+
Vickers Hardness
2,450.00 MPa  
5
167.00 MPa  
99+
Speed of Sound
2,760.00 m/s  
99+
6,320.00 m/s  
4
Optical Properties
  
  
Refractive Index
1.30  
99+
1.83  
19
Reflectivity
69.00 %  
14
65.00 %  
18
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Eu  
Isotopes
  
  
Known Isotopes
7  
31
31  
8
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.20  
40
Sanderson Electronegativity
1.30  
25
1.01  
99+
Allred Rochow Electronegativity
1.30  
25
1.20  
28
Mulliken-Jaffe Electronegativity
1.30  
33
1.20  
39
Allen Electronegativity
1.30  
40
1.20  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.50  
27
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
547.10 kJ/mol  
99+
2nd Energy Level
1,756.00 kJ/mol  
25
1,085.00 kJ/mol  
99+
3rd Energy Level
2,827.00 kJ/mol  
37
2,404.00 kJ/mol  
99+
4th Energy Level
3,637.50 kJ/mol  
99+
4,120.00 kJ/mol  
99+
5th Energy Level
4,940.00 kJ/mol  
99+
5,471.00 kJ/mol  
99+
6th Energy Level
6,175.10 kJ/mol  
99+
5,471.00 kJ/mol  
99+
7th Energy level
7,535.50 kJ/mol  
32
5,470.00 kJ/mol  
99+
8th Energy Level
8,857.40 kJ/mol  
21
5,470.00 kJ/mol  
99+
9th Energy Level
5,400.00 kJ/mol  
99+
5,990.00 kJ/mol  
99+
10th Energy Level
6,100.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
11th Energy Level
6,100.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
12th Energy Level
3,500.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
13th Energy Level
4,200.00 kJ/mol  
99+
5,800.00 kJ/mol  
99+
14th Energy Level
1,124.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
15th Energy Level
68,200.00 kJ/mol  
31
54,700.00 kJ/mol  
99+
16th Energy Level
32,800.00 kJ/mol  
99+
54,700.00 kJ/mol  
99+
17th Energy Level
1,089.00 kJ/mol  
22
547.10 kJ/mol  
99+
18th Energy Level
3,300.00 kJ/mol  
99+
5,470.00 kJ/mol  
99+
19th Energy Level
1,086.50 kJ/mol  
19
547.10 kJ/mol  
99+
20th Energy Level
880.00 kJ/mol  
14
547.00 kJ/mol  
99+
21st Energy Level
1,086.00 kJ/mol  
30
547.10 kJ/mol  
99+
22nd Energy Level
350.00 kJ/mol  
99+
547.00 kJ/mol  
99+
23rd Energy Level
1,120.00 kJ/mol  
34
547.10 kJ/mol  
99+
24th Energy Level
540.90 kJ/mol  
99+
547.10 kJ/mol  
99+
25th Energy Level
610.00 kJ/mol  
99+
547.00 kJ/mol  
99+
26th Energy Level
587.40 kJ/mol  
99+
547.10 kJ/mol  
99+
27th Energy Level
880.00 kJ/mol  
5
547.10 kJ/mol  
99+
28th Energy Level
840.00 kJ/mol  
14
580.70 kJ/mol  
99+
29th Energy Level
867.80 kJ/mol  
11
547.10 kJ/mol  
99+
30th Energy Level
0.00 kJ/mol  
99+
547.10 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
1.89 g/amp-hr  
37
Electron Work Function
4.90 eV  
12
2.50 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
108  
10
63  
99+
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Xe] 4f7 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
108  
10
63  
99+
Number of Neutrons
158  
7
89  
39
Number of Electrons
108  
10
63  
99+
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
180.00 pm  
16
Covalent Radius
134.00 pm  
99+
198.00 pm  
13
Van der Waals Radius
0.00 pm  
99+
233.00 pm  
22
Atomic Weight
269.00 amu  
9
151.96 amu  
99+
Atomic Volume
22.70 cm3/mol  
18
28.90 cm3/mol  
11
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Samarium
  
Next Element
Meitnerium
  
Gadolinium
  
Valence Electron Potential
0.00 (-eV)  
99+
45.60 (-eV)  
36
Lattice Constant
-  
458.10 pm  
19
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.31  
99+
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
5.26 g/cm3  
99+
Density When Liquid (at m.p.)
41.00 g/cm3  
1
5.13 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
120.00 MPa  
27
Viscosity
0.00  
27
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
19.40 (Pa)  
4
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
7.90 GPa  
99+
Bulk Modulus
40.00 GPa  
38
8.30 GPa  
99+
Young's Modulus
40.00 GPa  
99+
18.20 GPa  
99+
Poisson Ratio
0.34  
10
0.15  
35
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
5.24  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
15
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
41.00 nΩ·m  
99+
0.90 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
63.20 kJ/mol  
19
50.00 kJ/mol  
26
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.18 J/(kg K)  
34
Molar Heat Capacity
25.92 J/mol·K  
99+
27.66 J/mol·K  
19
Thermal Conductivity
0.00 W/m·K  
99+
13.90 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,099.00 K  
99+
Thermal Expansion
21.20 µm/(m·K)  
23
35.00 µm/(m·K)  
8
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
143.50 kJ/mol  
99+
Enthalpy of Fusion
-  
9.21 kJ/mol  
99+
Enthalpy of Atomization
-  
180.00 kJ/mol  
99+
Standard Molar Entropy
57.20 J/mol.K  
29
77.80 J/mol.K  
4
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