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Europium vs Nihonium

Europium
Nihonium
Nihonium vs Europium


Periodic Table
Symbol
Eu  
Nh  
Group Number
3  
15
13  
5
Period Number
6  
7  
Block
f block  
p block  
Element Family
Lanthanide  
Probably Post-​Transition  
CAS Number
7440531  
34
54084707  
6
Space Group Name
Im_ 3m  
-  
Space Group Number
229.00  
2
194.00  
7
Facts
Interesting Facts
Europium is used in Euro banknotes for security features.  
Nihonium is a synthetic chemical element and is highly radioactive.  
Sources
Found in Minerals, Mining, Ores of Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Eugène-Anatole Demarçay  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1896  
In 2003  
Abundance
  
  
Abundance In Universe
0.00 %  
28
0.00 %  
40
Abundance In Sun
0.00 %  
27
-  
Abundance In Meteorites
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
  • 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.
  
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
Industrial Uses
Chemical Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
822.00 °C  
99+
430.00 °C  
99+
Boiling Point
1,597.00 °C  
99+
1,130.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
-  
Luster
Lustrous  
Unknown Luster  
Hardness
  
  
Mohs Hardness
2.00  
17
-  
Brinell Hardness
167.00 MPa  
99+
600.00 MPa  
24
Vickers Hardness
167.00 MPa  
99+
350.00 MPa  
99+
Speed of Sound
6,320.00 m/s  
4
3,600.00 m/s  
29
Optical Properties
  
  
Refractive Index
1.83  
19
1.30  
99+
Reflectivity
65.00 %  
18
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Eu  
Nh  
Isotopes
  
  
Known Isotopes
31  
8
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.20  
40
1.30  
33
Sanderson Electronegativity
1.01  
99+
1.90  
13
Allred Rochow Electronegativity
1.20  
28
1.30  
25
Mulliken-Jaffe Electronegativity
1.20  
39
1.00  
99+
Allen Electronegativity
1.20  
99+
0.70  
99+
Electropositivity
  
  
Pauling Electropositivity
2.50  
27
2.20  
39
Ionization Energies
  
  
1st Energy Level
547.10 kJ/mol  
99+
704.90 kJ/mol  
34
2nd Energy Level
1,085.00 kJ/mol  
99+
2,238.50 kJ/mol  
7
3rd Energy Level
2,404.00 kJ/mol  
99+
3,023.30 kJ/mol  
26
4th Energy Level
4,120.00 kJ/mol  
99+
4,351.50 kJ/mol  
39
5th Energy Level
5,471.00 kJ/mol  
99+
5,692.60 kJ/mol  
99+
6th Energy Level
5,471.00 kJ/mol  
99+
7,000.00 kJ/mol  
99+
7th Energy level
5,470.00 kJ/mol  
99+
7,040.00 kJ/mol  
40
8th Energy Level
5,470.00 kJ/mol  
99+
7,040.00 kJ/mol  
36
9th Energy Level
5,990.00 kJ/mol  
99+
7,040.00 kJ/mol  
33
10th Energy Level
5,470.00 kJ/mol  
99+
7,040.00 kJ/mol  
37
11th Energy Level
5,470.00 kJ/mol  
99+
7,040.00 kJ/mol  
35
12th Energy Level
5,470.00 kJ/mol  
99+
70,000.00 kJ/mol  
5
13th Energy Level
5,800.00 kJ/mol  
99+
7,000.00 kJ/mol  
34
14th Energy Level
5,470.00 kJ/mol  
99+
7,000.00 kJ/mol  
24
15th Energy Level
54,700.00 kJ/mol  
99+
70,000.00 kJ/mol  
30
16th Energy Level
54,700.00 kJ/mol  
99+
70,000.00 kJ/mol  
25
17th Energy Level
547.10 kJ/mol  
99+
540.00 kJ/mol  
99+
18th Energy Level
5,470.00 kJ/mol  
99+
3,200.00 kJ/mol  
99+
19th Energy Level
547.10 kJ/mol  
99+
540.20 kJ/mol  
99+
20th Energy Level
547.00 kJ/mol  
99+
700.00 kJ/mol  
36
21st Energy Level
547.10 kJ/mol  
99+
1,130.00 kJ/mol  
29
22nd Energy Level
547.00 kJ/mol  
99+
558.00 kJ/mol  
99+
23rd Energy Level
547.10 kJ/mol  
99+
7,000.00 kJ/mol  
11
24th Energy Level
547.10 kJ/mol  
99+
700.00 kJ/mol  
29
25th Energy Level
547.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
547.10 kJ/mol  
99+
586.20 kJ/mol  
99+
27th Energy Level
547.10 kJ/mol  
99+
704.90 kJ/mol  
28
28th Energy Level
580.70 kJ/mol  
99+
704.90 kJ/mol  
33
29th Energy Level
547.10 kJ/mol  
99+
704.90 kJ/mol  
34
30th Energy Level
547.10 kJ/mol  
99+
704.00 kJ/mol  
28
Electrochemical Equivalent
1.89 g/amp-hr  
37
3.00 g/amp-hr  
21
Electron Work Function
2.50 eV  
99+
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Ionization  
Atomic
Atomic Number
63  
99+
113  
5
Electron Configuration
[Xe] 4f7 6s2  
[Rn] 5f14 6d10 7s2 7p1  
Crystal Structure
Body Centered Cubic (BCC)  
Not Known  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
Atom
  
  
Number of Protons
63  
99+
113  
5
Number of Neutrons
89  
39
150  
12
Number of Electrons
63  
99+
113  
5
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
170.00 pm  
24
Covalent Radius
198.00 pm  
13
170.00 pm  
27
Van der Waals Radius
233.00 pm  
22
320.00 pm  
3
Atomic Weight
151.96 amu  
99+
286.00 amu  
4
Atomic Volume
28.90 cm3/mol  
11
21.10 cm3/mol  
24
Adjacent Atomic Numbers
  
  
Previous Element
Samarium
  
Copernicium
  
Next Element
Gadolinium
  
Flerovium
  
Valence Electron Potential
45.60 (-eV)  
36
6.20 (-eV)  
99+
Lattice Constant
458.10 pm  
19
0.00 pm  
99+
Lattice Angles
π/2, π/2, π/2  
-  
Lattice C/A Ratio
1.58  
35
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
5.26 g/cm3  
99+
16.00 g/cm3  
19
Density When Liquid (at m.p.)
5.13 g/cm3  
99+
16.00 g/cm3  
19
Tensile Strength
120.00 MPa  
27
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
19.40 (Pa)  
4
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
7.90 GPa  
99+
40.00 GPa  
19
Bulk Modulus
8.30 GPa  
99+
0.00 GPa  
99+
Young's Modulus
18.20 GPa  
99+
12.20 GPa  
99+
Poisson Ratio
0.15  
35
0.30  
14
Other Mechanical Properties
Ductile  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
5.24  
99+
16.00  
21
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
17
0.00 H/m  
5
Susceptibility
0.00  
15
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
0.90 nΩ·m  
99+
0.32 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.18 J/(kg K)  
34
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.66 J/mol·K  
19
27.00 J/mol·K  
29
Thermal Conductivity
13.90 W/m·K  
99+
1.70 W/m·K  
99+
Critical Temperature
1,099.00 K  
99+
700.00 K  
99+
Thermal Expansion
35.00 µm/(m·K)  
8
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
143.50 kJ/mol  
99+
410.80 kJ/mol  
23
Enthalpy of Fusion
9.21 kJ/mol  
99+
-  
Enthalpy of Atomization
180.00 kJ/mol  
99+
320.70 kJ/mol  
99+
Standard Molar Entropy
77.80 J/mol.K  
4
65.00 J/mol.K  
17
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