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Einsteinium vs Uranium

Einsteinium
Uranium
Uranium vs Einsteinium


Periodic Table
Symbol
Es  
U  
Group Number
13  
5
0  
18
Period Number
7  
7  
Block
f block  
f block  
Element Family
Actinide  
Actinide  
CAS Number
7429927  
99+
7440611  
28
Space Group Name
-  
Cmcm  
Space Group Number
194.00  
7
63.00  
13
Facts
Interesting Facts
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  
  • Major mining countries of Uranium include Russia, Australia, Namibia, Canada and Niger and total 33% Uranium are mine in Kazakhstan.
  
Sources
Made by Bombarding Uranium with Neutrons  
Earth's crust, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory  
-  
Discovery
In 1952  
In 1789  
Abundance
  
  
Abundance In Universe
0.00 %  
35
0.00 %  
30
Abundance In Sun
0.00 %  
30
0.00 %  
26
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
99+
0.00 %  
36
Abundance In Oceans
-  
0.00 %  
11
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  
  • The main use of this metal include nuclear fuel which is used to generate electricity yin nuclear power stations.
  • Synthetic elements like transuranium are made from Uranium metal.
  
Industrial Uses
-  
Ammunition Industry, Chemical Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys, Jewellery, Nuclear Reactor's Fuel, Sculptures, Statues  
Biological Properties
  
  
Toxicity
Toxic  
Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
99+
1.20 p.p.m.  
19
Physical
Melting Point
860.00 °C  
99+
1,132.00 °C  
39
Boiling Point
996.00 °C  
99+
3,818.00 °C  
16
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery Gray  
Luster
-  
Metallic  
Hardness
  
  
Mohs Hardness
6.00  
6
6.00  
6
Brinell Hardness
240.00 MPa  
99+
2,350.00 MPa  
2
Vickers Hardness
550.00 MPa  
31
1,960.00 MPa  
6
Speed of Sound
2,850.00 m/s  
40
3,155.00 m/s  
36
Optical Properties
  
  
Refractive Index
1.30  
99+
1.38  
40
Reflectivity
63.00 %  
20
80.00 %  
7
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Es  
U  
Isotopes
  
  
Known Isotopes
16  
23
25  
14
Electronegativity
  
  
Pauling Electronegativity
1.54  
27
1.38  
29
Sanderson Electronegativity
1.30  
25
1.38  
22
Allred Rochow Electronegativity
1.20  
28
1.22  
27
Mulliken-Jaffe Electronegativity
1.30  
33
1.38  
29
Allen Electronegativity
1.30  
40
1.38  
36
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.62  
26
Ionization Energies
  
  
1st Energy Level
619.00 kJ/mol  
99+
597.60 kJ/mol  
99+
2nd Energy Level
1,216.00 kJ/mol  
99+
1,420.00 kJ/mol  
99+
3rd Energy Level
2,334.00 kJ/mol  
99+
1,900.00 kJ/mol  
99+
4th Energy Level
3,734.00 kJ/mol  
99+
3,145.00 kJ/mol  
99+
5th Energy Level
6,190.00 kJ/mol  
40
5,976.00 kJ/mol  
99+
6th Energy Level
6,190.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
7th Energy level
6,190.00 kJ/mol  
99+
5,970.00 kJ/mol  
99+
8th Energy Level
6,190.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
9th Energy Level
4,520.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
10th Energy Level
6,190.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
11th Energy Level
6,190.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
12th Energy Level
61,900.00 kJ/mol  
12
5,970.00 kJ/mol  
99+
13th Energy Level
6,190.00 kJ/mol  
39
5,970.00 kJ/mol  
99+
14th Energy Level
6,190.00 kJ/mol  
28
5,970.00 kJ/mol  
34
15th Energy Level
61,900.00 kJ/mol  
40
59,700.00 kJ/mol  
99+
16th Energy Level
61,900.00 kJ/mol  
30
59,700.00 kJ/mol  
35
17th Energy Level
619.00 kJ/mol  
99+
597.60 kJ/mol  
99+
18th Energy Level
6,190.00 kJ/mol  
99+
5,976.00 kJ/mol  
99+
19th Energy Level
619.00 kJ/mol  
99+
597.60 kJ/mol  
99+
20th Energy Level
619.00 kJ/mol  
99+
597.00 kJ/mol  
99+
21st Energy Level
6,190.00 kJ/mol  
15
597.60 kJ/mol  
99+
22nd Energy Level
619.00 kJ/mol  
38
597.00 kJ/mol  
99+
23rd Energy Level
6,190.00 kJ/mol  
15
597.60 kJ/mol  
99+
24th Energy Level
619.40 kJ/mol  
40
597.60 kJ/mol  
99+
25th Energy Level
619.00 kJ/mol  
99+
597.60 kJ/mol  
99+
26th Energy Level
619.40 kJ/mol  
40
597.60 kJ/mol  
99+
27th Energy Level
619.40 kJ/mol  
99+
597.60 kJ/mol  
99+
28th Energy Level
619.40 kJ/mol  
99+
597.60 kJ/mol  
99+
29th Energy Level
619.40 kJ/mol  
99+
597.60 kJ/mol  
99+
30th Energy Level
619.40 kJ/mol  
99+
597.60 kJ/mol  
99+
Electrochemical Equivalent
4.74 g/amp-hr  
5
1.48 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
3.63 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
99  
19
92  
26
Electron Configuration
[Rn] 5f11 7s2  
[Rn] 5f3 6d1 7s2  
Crystal Structure
Face Centered Cubic (FCC)  
Orthorhombic (ORTH)  
Crystal Lattice
FCC-Crystal-Structure-of-Einsteinium.jpg#100  
ORTH-Crystal-Structure-of-Uranium.jpg#100  
Atom
  
  
Number of Protons
99  
19
92  
26
Number of Neutrons
153  
10
146  
14
Number of Electrons
99  
19
92  
26
Radius of an Atom
  
  
Atomic Radius
186.00 pm  
11
156.00 pm  
31
Covalent Radius
186.00 pm  
21
196.00 pm  
14
Van der Waals Radius
0.00 pm  
99+
186.00 pm  
40
Atomic Weight
252.00 amu  
16
238.03 amu  
21
Atomic Volume
17.04 cm3/mol  
99+
12.59 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Californium
  
Protactinium
  
Next Element
Fermium
  
Neptunium
  
Valence Electron Potential
0.00 (-eV)  
99+
170.00 (-eV)  
4
Lattice Constant
582.00 pm  
8
295.08 pm  
99+
Lattice Angles
-  
π/2, π/2, π/2  
Lattice C/A Ratio
1.29  
99+
1.02  
99+
Mechanical
Density
  
  
Density At Room Temperature
8.84 g/cm3  
99+
19.10 g/cm3  
17
Density When Liquid (at m.p.)
8.84 g/cm3  
99+
17.30 g/cm3  
17
Tensile Strength
0.10 MPa  
99+
100.00 MPa  
28
Viscosity
0.00  
25
0.00  
21
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
24
0.01 (Pa)  
20
Elasticity properties
  
  
Shear Modulus
30.00 GPa  
27
111.00 GPa  
10
Bulk Modulus
40.00 GPa  
38
100.00 GPa  
16
Young's Modulus
0.00 GPa  
99+
208.00 GPa  
11
Poisson Ratio
0.33  
11
0.23  
30
Other Mechanical Properties
-  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.84  
99+
18.80  
19
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Poor Conductor  
Resistivity
6.30 nΩ·m  
99+
0.28 nΩ·m  
99+
Electrical Conductivity
0.14 106/cm Ω  
15
0.04 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
50.60 kJ/mol  
25
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.20 J/mol·K  
24
27.67 J/mol·K  
18
Thermal Conductivity
0.00 W/m·K  
99+
27.50 W/m·K  
99+
Critical Temperature
1,133.00 K  
99+
1,405.00 K  
99+
Thermal Expansion
13.50 µm/(m·K)  
33
13.90 µm/(m·K)  
30
Enthalpy
  
  
Enthalpy of Vaporization
323.80 kJ/mol  
99+
477.00 kJ/mol  
18
Enthalpy of Fusion
14.80 kJ/mol  
24
15.48 kJ/mol  
19
Enthalpy of Atomization
-  
489.50 kJ/mol  
18
Standard Molar Entropy
63.00 J/mol.K  
24
50.20 J/mol.K  
99+
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