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Nihonium vs Rutherfordium


Rutherfordium vs Nihonium


Periodic Table

Symbol
Nh  
Rf  

Group Number
13  
5
4  
14

Period Number
7  
7  

Block
p block  
d block  

Element Family
Probably Post-​Transition  
Transition Metal  

CAS Number
54084707  
6
53850365  
13

Space Group Name
-  
-  

Space Group Number
194.00  
7
166.00  
9

Facts

Interesting Facts
Nihonium is a synthetic chemical element and is highly radioactive.  
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  

Sources
Synthetically Produced  
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced  

History
  
  

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

Discovery
In 2003  
In 1964  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
40

Abundance In Sun
-  
-  

Abundance In Meteorites
-  
-  

Abundance In Earth's Crust
-  
-  

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 Rutherfordium metal are limited to research purpose only.
  

Industrial Uses
-  
-  

Medical Uses
-  
-  

Other Uses
Research Purposes  
Alloys, 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+
2,100.00 °C  
11

Boiling Point
1,130.00 °C  
99+
5,500.00 °C  
3

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
-  

Luster
Unknown Luster  
Unknown Luster  

Hardness
  
  

Mohs Hardness
-  
-  

Brinell Hardness
600.00 MPa  
24
1,300.00 MPa  
9

Vickers Hardness
350.00 MPa  
99+
550.00 MPa  
31

Speed of Sound
3,600.00 m/s  
29
6,100.00 m/s  
5

Optical Properties
  
  

Refractive Index
1.30  
99+
1.30  
99+

Reflectivity
60.00 %  
23
65.00 %  
18

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Nh  
Rf  

Isotopes
  
  

Known Isotopes
7  
31
13  
26

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
0.00  
99+

Sanderson Electronegativity
1.90  
13
1.90  
13

Allred Rochow Electronegativity
1.30  
25
1.30  
25

Mulliken-Jaffe Electronegativity
1.00  
99+
1.30  
33

Allen Electronegativity
0.70  
99+
0.90  
99+

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.20  
39

Ionization Energies
  
  

1st Energy Level
704.90 kJ/mol  
34
579.90 kJ/mol  
99+

2nd Energy Level
2,238.50 kJ/mol  
7
1,389.40 kJ/mol  
99+

3rd Energy Level
3,023.30 kJ/mol  
26
2,296.40 kJ/mol  
99+

4th Energy Level
4,351.50 kJ/mol  
39
3,077.90 kJ/mol  
99+

5th Energy Level
5,692.60 kJ/mol  
99+
5,790.00 kJ/mol  
99+

6th Energy Level
7,000.00 kJ/mol  
99+
11,600.00 kJ/mol  
7

7th Energy level
7,040.00 kJ/mol  
40
5,800.00 kJ/mol  
99+

8th Energy Level
7,040.00 kJ/mol  
36
5,800.00 kJ/mol  
99+

9th Energy Level
7,040.00 kJ/mol  
33
5,800.00 kJ/mol  
99+

10th Energy Level
7,040.00 kJ/mol  
37
5,800.00 kJ/mol  
99+

11th Energy Level
7,040.00 kJ/mol  
35
5,800.00 kJ/mol  
99+

12th Energy Level
70,000.00 kJ/mol  
5
5,800.00 kJ/mol  
99+

13th Energy Level
7,000.00 kJ/mol  
34
5,800.00 kJ/mol  
99+

14th Energy Level
7,000.00 kJ/mol  
24
5,800.00 kJ/mol  
99+

15th Energy Level
70,000.00 kJ/mol  
30
58,000.00 kJ/mol  
99+

16th Energy Level
70,000.00 kJ/mol  
25
58,000.00 kJ/mol  
99+

17th Energy Level
540.00 kJ/mol  
99+
579.90 kJ/mol  
99+

18th Energy Level
3,200.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+

19th Energy Level
540.20 kJ/mol  
99+
579.90 kJ/mol  
99+

20th Energy Level
700.00 kJ/mol  
36
580.00 kJ/mol  
99+

21st Energy Level
1,130.00 kJ/mol  
29
5,800.00 kJ/mol  
21

22nd Energy Level
558.00 kJ/mol  
99+
579.00 kJ/mol  
99+

23rd Energy Level
7,000.00 kJ/mol  
11
5,800.00 kJ/mol  
21

24th Energy Level
700.00 kJ/mol  
29
579.10 kJ/mol  
99+

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

26th Energy Level
586.20 kJ/mol  
99+
580.00 kJ/mol  
99+

27th Energy Level
704.90 kJ/mol  
28
580.00 kJ/mol  
99+

28th Energy Level
704.90 kJ/mol  
33
840.00 kJ/mol  
14

29th Energy Level
704.90 kJ/mol  
34
580.60 kJ/mol  
99+

30th Energy Level
704.00 kJ/mol  
28
0.00 kJ/mol  
99+

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

Electron Work Function
4.90 eV  
12
6.00 eV  
1

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

Atomic

Atomic Number
113  
5
104  
14

Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Rn] 5f14 6d2 7s2  

Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  

Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
113  
5
104  
14

Number of Neutrons
150  
12
157  
8

Number of Electrons
113  
5
104  
14

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
150.00 pm  
35

Covalent Radius
170.00 pm  
27
157.00 pm  
33

Van der Waals Radius
320.00 pm  
3
250.00 pm  
10

Atomic Weight
286.00 amu  
4
267.00 amu  
11

Atomic Volume
21.10 cm3/mol  
24
23.20 cm3/mol  
15

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Flerovium
  
Dubnium
  

Valence Electron Potential
6.20 (-eV)  
99+
6.00 (-eV)  
99+

Lattice Constant
0.00 pm  
99+
-  

Lattice Angles
-  
-  

Lattice C/A Ratio
1.58  
35
1.60  
22

Mechanical

Density
  
  

Density At Room Temperature
16.00 g/cm3  
19
23.20 g/cm3  
8

Density When Liquid (at m.p.)
16.00 g/cm3  
19
23.20 g/cm3  
9

Tensile Strength
80.00 MPa  
29
23.00 MPa  
99+

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

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

Vapor Pressure at 2000 K
0.00 (Pa)  
37
0.00 (Pa)  
99+

Elasticity properties
  
  

Shear Modulus
40.00 GPa  
19
23.00 GPa  
99+

Bulk Modulus
0.00 GPa  
99+
0.00 GPa  
99+

Young's Modulus
12.20 GPa  
99+
12.80 GPa  
99+

Poisson Ratio
0.30  
14
0.30  
14

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
16.00  
21
23.00  
10

Magnetic Ordering
-  
-  

Permeability
0.00 H/m  
5
0.00 H/m  
10

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
-  

Resistivity
0.32 nΩ·m  
99+
0.29 nΩ·m  
99+

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

Electron Affinity
0.00 kJ/mol  
99+
50.00 kJ/mol  
26

Thermal

Specific Heat
0.12 J/(kg K)  
99+
0.27 J/(kg K)  
19

Molar Heat Capacity
27.00 J/mol·K  
29
23.20 J/mol·K  
99+

Thermal Conductivity
1.70 W/m·K  
99+
0.23 W/m·K  
99+

Critical Temperature
700.00 K  
99+
2,400.00 K  
12

Thermal Expansion
6.20 µm/(m·K)  
99+
23.20 µm/(m·K)  
17

Enthalpy
  
  

Enthalpy of Vaporization
410.80 kJ/mol  
23
580.00 kJ/mol  
12

Enthalpy of Fusion
-  
-  

Enthalpy of Atomization
320.70 kJ/mol  
99+
580.00 kJ/mol  
14

Standard Molar Entropy
65.00 J/mol.K  
17
57.60 J/mol.K  
28

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