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Flerovium vs Einsteinium


Einsteinium vs Flerovium


Periodic Table

Symbol
Fl  
Es  

Group Number
14  
4
13  
5

Period Number
7  
7  

Block
p block  
f block  

Element Family
Post-​Transition  
Actinide  

CAS Number
54085164  
5
7429927  
99+

Space Group Name
-  
-  

Space Group Number
198.00  
6
194.00  
7

Facts

Interesting Facts
Flerovium is named after the Flerov Laboratory of Nuclear Reactions.  
  • Einsteinium is the transuranic element found in US.
  • Only 0.01 mg of Einsteinium was synthesized in 1961.
  

Sources
-  
Made by Bombarding Uranium with Neutrons  

History
  
  

Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Lawrence Berkeley National Laboratory  

Discovery
In 1999  
In 1952  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
35

Abundance In Sun
-  
0.00 %  
30

Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+

Abundance In Earth's Crust
-  
0.00 %  
99+

Abundance In Oceans
-  
-  

Abundance In Humans
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Flerovium metal are limited to research purpose only.
  
  • Currently known uses of Einsteinium metal are limited to research purpose only.
  

Industrial Uses
-  
-  

Medical Uses
-  
-  

Other Uses
Alloys, Research Purposes  
Alloys, Nuclear Research, Research Purposes  

Biological Properties
  
  

Toxicity
-  
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
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+

Physical

Melting Point
67.00 °C  
99+
860.00 °C  
99+

Boiling Point
147.00 °C  
99+
996.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Silver  

Luster
Unknown Luster  
-  

Hardness
  
  

Mohs Hardness
4.00  
11
6.00  
6

Brinell Hardness
350.00 MPa  
36
240.00 MPa  
99+

Vickers Hardness
450.00 MPa  
38
550.00 MPa  
31

Speed of Sound
3,200.00 m/s  
35
2,850.00 m/s  
40

Optical Properties
  
  

Refractive Index
1.30  
99+
1.30  
99+

Reflectivity
68.00 %  
15
63.00 %  
20

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Fl  
Es  

Isotopes
  
  

Known Isotopes
1  
34
16  
23

Electronegativity
  
  

Pauling Electronegativity
2.60  
1
1.54  
27

Sanderson Electronegativity
1.30  
25
1.30  
25

Allred Rochow Electronegativity
1.30  
25
1.20  
28

Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33

Allen Electronegativity
1.30  
40
1.30  
40

Electropositivity
  
  

Pauling Electropositivity
2.00  
99+
2.70  
22

Ionization Energies
  
  

1st Energy Level
823.90 kJ/mol  
13
619.00 kJ/mol  
99+

2nd Energy Level
1,601.60 kJ/mol  
35
1,216.00 kJ/mol  
99+

3rd Energy Level
3,367.30 kJ/mol  
18
2,334.00 kJ/mol  
99+

4th Energy Level
4,399.70 kJ/mol  
37
3,734.00 kJ/mol  
99+

5th Energy Level
5,847.00 kJ/mol  
99+
6,190.00 kJ/mol  
40

6th Energy Level
11,400.00 kJ/mol  
9
6,190.00 kJ/mol  
99+

7th Energy level
5,400.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+

8th Energy Level
6,700.00 kJ/mol  
39
6,190.00 kJ/mol  
99+

9th Energy Level
5,840.00 kJ/mol  
99+
4,520.00 kJ/mol  
99+

10th Energy Level
6,000.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+

11th Energy Level
6,000.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+

12th Energy Level
36,400.00 kJ/mol  
24
61,900.00 kJ/mol  
12

13th Energy Level
5,400.00 kJ/mol  
99+
6,190.00 kJ/mol  
39

14th Energy Level
1,145.00 kJ/mol  
99+
6,190.00 kJ/mol  
28

15th Energy Level
67,000.00 kJ/mol  
33
61,900.00 kJ/mol  
40

16th Energy Level
36,400.00 kJ/mol  
99+
61,900.00 kJ/mol  
30

17th Energy Level
1,144.00 kJ/mol  
17
619.00 kJ/mol  
99+

18th Energy Level
3,400.00 kJ/mol  
99+
6,190.00 kJ/mol  
99+

19th Energy Level
1,127.50 kJ/mol  
16
619.00 kJ/mol  
99+

20th Energy Level
800.00 kJ/mol  
24
619.00 kJ/mol  
99+

21st Energy Level
670.00 kJ/mol  
99+
6,190.00 kJ/mol  
15

22nd Energy Level
340.00 kJ/mol  
99+
619.00 kJ/mol  
38

23rd Energy Level
1,120.00 kJ/mol  
34
6,190.00 kJ/mol  
15

24th Energy Level
540.10 kJ/mol  
99+
619.40 kJ/mol  
40

25th Energy Level
0.00 kJ/mol  
99+
619.00 kJ/mol  
99+

26th Energy Level
540.10 kJ/mol  
99+
619.40 kJ/mol  
40

27th Energy Level
540.00 kJ/mol  
99+
619.40 kJ/mol  
99+

28th Energy Level
800.00 kJ/mol  
18
619.40 kJ/mol  
99+

29th Energy Level
800.10 kJ/mol  
17
619.40 kJ/mol  
99+

30th Energy Level
0.00 kJ/mol  
99+
619.40 kJ/mol  
99+

Electrochemical Equivalent
3.00 g/amp-hr  
21
4.74 g/amp-hr  
5

Electron Work Function
4.90 eV  
12
4.90 eV  
12

Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  

Atomic

Atomic Number
114  
4
99  
19

Electron Configuration
[Rn] 5f14 6d10 7s2 7p2  
[Rn] 5f11 7s2  

Crystal Structure
Not Known  
Face Centered Cubic (FCC)  

Crystal Lattice
Unknown-Crystal-Structure-of-Flerovium.jpg#100  
FCC-Crystal-Structure-of-Einsteinium.jpg#100  

Atom
  
  

Number of Protons
114  
4
99  
19

Number of Neutrons
184  
2
153  
10

Number of Electrons
114  
4
99  
19

Radius of an Atom
  
  

Atomic Radius
180.00 pm  
16
186.00 pm  
11

Covalent Radius
171.00 pm  
26
186.00 pm  
21

Van der Waals Radius
0.00 pm  
99+
0.00 pm  
99+

Atomic Weight
289.00 amu  
3
252.00 amu  
16

Atomic Volume
14.00 cm3/mol  
99+
17.04 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Nihonium
  

Next Element
Moscovium
  
Fermium
  

Valence Electron Potential
0.00 (-eV)  
99+
0.00 (-eV)  
99+

Lattice Constant
-  
582.00 pm  
8

Lattice Angles
-  
-  

Lattice C/A Ratio
1.60  
22
1.29  
99+

Mechanical

Density
  
  

Density At Room Temperature
14.00 g/cm3  
24
8.84 g/cm3  
99+

Density When Liquid (at m.p.)
14.00 g/cm3  
24
8.84 g/cm3  
99+

Tensile Strength
0.10 MPa  
99+
0.10 MPa  
99+

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
24

Elasticity properties
  
  

Shear Modulus
35.00 GPa  
21
30.00 GPa  
27

Bulk Modulus
15.00 GPa  
99+
40.00 GPa  
38

Young's Modulus
0.00 GPa  
99+
0.00 GPa  
99+

Poisson Ratio
0.30  
14
0.33  
11

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
14.00  
25
8.84  
99+

Magnetic Ordering
-  
Paramagnetic  

Permeability
0.00 H/m  
15
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
-  

Resistivity
5.40 nΩ·m  
99+
6.30 nΩ·m  
99+

Electrical Conductivity
0.00 106/cm Ω  
99+
0.14 106/cm Ω  
15

Electron Affinity
-  
0.00 kJ/mol  
99+

Thermal

Specific Heat
0.10 J/(kg K)  
99+
0.10 J/(kg K)  
99+

Molar Heat Capacity
27.00 J/mol·K  
29
27.20 J/mol·K  
24

Thermal Conductivity
0.00 W/m·K  
99+
0.00 W/m·K  
99+

Critical Temperature
340.00 K  
99+
1,133.00 K  
99+

Thermal Expansion
7.10 µm/(m·K)  
99+
13.50 µm/(m·K)  
33

Enthalpy
  
  

Enthalpy of Vaporization
337.40 kJ/mol  
38
323.80 kJ/mol  
99+

Enthalpy of Fusion
14.50 kJ/mol  
26
14.80 kJ/mol  
24

Enthalpy of Atomization
-  
-  

Standard Molar Entropy
57.00 J/mol.K  
30
63.00 J/mol.K  
24

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