Home
 Compare Metals

Nihonium Fermium Comparison

Nihonium
Fermium
Fermium Nihonium comparison


Periodic Table
Symbol
Nh  
Fm  
Group Number
13  
5
3  
15
Period Number
7  
7  
Block
p block  
f block  
Element Family
Probably Post-​Transition  
Actinide  
CAS Number
54084707  
6
7440724  
19
Space Group Name
-  
-  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
Nihonium is a synthetic chemical element and is highly radioactive.  
  • Fermium metal is highly radioactive in nature.
  • Fermium is synthetically produced metal.
  
Sources
Synthetically Produced  
Bombarding Pu-239 with Neutrons  
History
  
  
Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Lawrence Berkeley National Laboratory  
Discovery
In 2003  
In 1952  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
35
Abundance In Sun
-  
0.00 %  
30
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
0.00 %  
99+
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
  • Currently known uses of Fermium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
-  
Biological Properties
  
  
Toxicity
-  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
29
0.00 Blood/mg dm-3  
40
In Bone
0.20 p.p.m.  
27
0.00 p.p.m.  
99+
Physical
Melting Point
430.00 °C  
99+
1,527.00 °C  
26
Boiling Point
1,130.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
-  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
6.00  
6
Brinell Hardness
600.00 MPa  
24
500.00 MPa  
28
Vickers Hardness
350.00 MPa  
99+
600.00 MPa  
28
Speed of Sound
3,600.00 m/s  
29
2,500.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
60.00 %  
23
59.00 %  
24
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Nh  
Fm  
Isotopes
  
  
Known Isotopes
7  
31
18  
21
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.30  
33
Sanderson Electronegativity
1.90  
13
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.20  
28
Mulliken-Jaffe Electronegativity
1.00  
99+
1.30  
33
Allen Electronegativity
0.70  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.70  
22
Ionization Energies
  
  
1st Energy Level
704.90 kJ/mol  
34
627.00 kJ/mol  
99+
2nd Energy Level
2,238.50 kJ/mol  
7
1,225.00 kJ/mol  
99+
3rd Energy Level
3,023.30 kJ/mol  
26
2,363.00 kJ/mol  
99+
4th Energy Level
4,351.50 kJ/mol  
39
3,792.00 kJ/mol  
99+
5th Energy Level
5,692.60 kJ/mol  
99+
6,270.00 kJ/mol  
39
6th Energy Level
7,000.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+
7th Energy level
7,040.00 kJ/mol  
40
6,270.00 kJ/mol  
99+
8th Energy Level
7,040.00 kJ/mol  
36
6,270.00 kJ/mol  
99+
9th Energy Level
7,040.00 kJ/mol  
33
7,040.00 kJ/mol  
33
10th Energy Level
7,040.00 kJ/mol  
37
6,270.00 kJ/mol  
99+
11th Energy Level
7,040.00 kJ/mol  
35
6,270.00 kJ/mol  
99+
12th Energy Level
70,000.00 kJ/mol  
5
62,700.00 kJ/mol  
10
13th Energy Level
7,000.00 kJ/mol  
34
6,270.00 kJ/mol  
38
14th Energy Level
7,000.00 kJ/mol  
24
6,270.00 kJ/mol  
27
15th Energy Level
70,000.00 kJ/mol  
30
62,700.00 kJ/mol  
38
16th Energy Level
70,000.00 kJ/mol  
25
62,700.00 kJ/mol  
28
17th Energy Level
540.00 kJ/mol  
99+
627.00 kJ/mol  
99+
18th Energy Level
3,200.00 kJ/mol  
99+
6,270.00 kJ/mol  
40
19th Energy Level
540.20 kJ/mol  
99+
994.80 kJ/mol  
21
20th Energy Level
700.00 kJ/mol  
36
627.00 kJ/mol  
99+
21st Energy Level
1,130.00 kJ/mol  
29
627.00 kJ/mol  
99+
22nd Energy Level
558.00 kJ/mol  
99+
345.00 kJ/mol  
99+
23rd Energy Level
7,000.00 kJ/mol  
11
6,270.00 kJ/mol  
14
24th Energy Level
700.00 kJ/mol  
29
627.60 kJ/mol  
38
25th Energy Level
0.00 kJ/mol  
99+
627.00 kJ/mol  
40
26th Energy Level
586.20 kJ/mol  
99+
627.60 kJ/mol  
39
27th Energy Level
704.90 kJ/mol  
28
627.60 kJ/mol  
99+
28th Energy Level
704.90 kJ/mol  
33
627.60 kJ/mol  
99+
29th Energy Level
704.90 kJ/mol  
34
627.60 kJ/mol  
99+
30th Energy Level
704.00 kJ/mol  
28
627.60 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
3.20 g/amp-hr  
15
Electron Work Function
4.90 eV  
12
4.47 eV  
21
Other Chemical Properties
Chemical Stability, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
113  
5
100  
18
Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Rn] 5f12 7s2  
Crystal Structure
Not Known  
Not Known  
Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
Unknown-Crystal-Structure-of-Fermium.jpg#100  
Atom
  
  
Number of Protons
113  
5
100  
18
Number of Neutrons
150  
12
157  
8
Number of Electrons
113  
5
100  
18
Radius of an Atom
  
  
Atomic Radius
170.00 pm  
24
180.00 pm  
16
Covalent Radius
170.00 pm  
27
180.00 pm  
23
Van der Waals Radius
320.00 pm  
3
245.00 pm  
13
Atomic Weight
286.00 amu  
4
257.00 amu  
15
Atomic Volume
21.10 cm3/mol  
24
18.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Copernicium
  
Einsteinium
  
Next Element
Flerovium
  
Mendelevium
  
Valence Electron Potential
6.20 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
0.00 pm  
99+
350.00 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.58  
35
1.63  
13
Mechanical
Density
  
  
Density At Room Temperature
16.00 g/cm3  
19
9.70 g/cm3  
99+
Density When Liquid (at m.p.)
16.00 g/cm3  
19
9.70 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
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)  
37
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
30.00 GPa  
27
Bulk Modulus
0.00 GPa  
99+
50.00 GPa  
24
Young's Modulus
12.20 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.30  
14
0.35  
9
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
16.00  
21
9.70  
99+
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
5
0.00 H/m  
16
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.32 nΩ·m  
99+
7.90 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.12 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
27.00 J/mol·K  
29
Thermal Conductivity
1.70 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
700.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
6.20 µm/(m·K)  
99+
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
410.80 kJ/mol  
23
319.20 kJ/mol  
99+
Enthalpy of Fusion
-  
13.30 kJ/mol  
30
Enthalpy of Atomization
320.70 kJ/mol  
99+
-  
Standard Molar Entropy
65.00 J/mol.K  
17
50.00 J/mol.K  
99+
Summary >>
<< Thermal

Compare Synthetic Metals

Synthetic Metals

Synthetic Metals

Compare Synthetic Metals

Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!