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Nihonium Berkelium Comparison


Berkelium Nihonium comparison


Periodic Table

Symbol
Nh  
Bk  

Group Number
13  
5
14  
4

Period Number
7  
7  

Block
p block  
f block  

Element Family
Probably Post-​Transition  
Actinide  

CAS Number
54084707  
6
7440406  
99+

Space Group Name
-  
P63/mmc  

Space Group Number
194.00  
7
194.00  
7

Facts

Interesting Facts
Nihonium is a synthetic chemical element and is highly radioactive.  
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  

Sources
Synthetically Produced  
Bombarding Americium with Alpha Particles.  

History
  
  

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

Discovery
In 2003  
In 1949  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
36

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
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
  • This metal is very rare and has no commercial uses.
  

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+
986.00 °C  
99+

Boiling Point
1,130.00 °C  
99+
2,627.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Silver  

Luster
Unknown Luster  
Metallic  

Hardness
  
  

Mohs Hardness
-  
6.00  
6

Brinell Hardness
600.00 MPa  
24
260.00 MPa  
99+

Vickers Hardness
350.00 MPa  
99+
1,070.00 MPa  
16

Speed of Sound
3,600.00 m/s  
29
2,560.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
1.30  
99+

Reflectivity
60.00 %  
23
61.00 %  
22

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Nh  
Bk  

Isotopes
  
  

Known Isotopes
7  
31
14  
25

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+
2.70  
1

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.70  
22

Ionization Energies
  
  

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

2nd Energy Level
2,238.50 kJ/mol  
7
1,186.00 kJ/mol  
99+

3rd Energy Level
3,023.30 kJ/mol  
26
2,152.00 kJ/mol  
99+

4th Energy Level
4,351.50 kJ/mol  
39
3,434.00 kJ/mol  
99+

5th Energy Level
5,692.60 kJ/mol  
99+
6,010.00 kJ/mol  
99+

6th Energy Level
7,000.00 kJ/mol  
99+
6,010.00 kJ/mol  
99+

7th Energy level
7,040.00 kJ/mol  
40
6,010.00 kJ/mol  
99+

8th Energy Level
7,040.00 kJ/mol  
36
6,010.00 kJ/mol  
99+

9th Energy Level
7,040.00 kJ/mol  
33
6,010.00 kJ/mol  
99+

10th Energy Level
7,040.00 kJ/mol  
37
6,010.00 kJ/mol  
99+

11th Energy Level
7,040.00 kJ/mol  
35
6,010.00 kJ/mol  
99+

12th Energy Level
70,000.00 kJ/mol  
5
60,100.00 kJ/mol  
16

13th Energy Level
7,000.00 kJ/mol  
34
6,010.00 kJ/mol  
99+

14th Energy Level
7,000.00 kJ/mol  
24
6,010.00 kJ/mol  
32

15th Energy Level
70,000.00 kJ/mol  
30
60,100.00 kJ/mol  
99+

16th Energy Level
70,000.00 kJ/mol  
25
60,100.00 kJ/mol  
33

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

18th Energy Level
3,200.00 kJ/mol  
99+
6,010.00 kJ/mol  
99+

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

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

21st Energy Level
1,130.00 kJ/mol  
29
6,010.00 kJ/mol  
18

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

23rd Energy Level
7,000.00 kJ/mol  
11
6,010.00 kJ/mol  
19

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

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

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

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

28th Energy Level
704.90 kJ/mol  
33
601.00 kJ/mol  
99+

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

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

Electrochemical Equivalent
3.00 g/amp-hr  
21
3.07 g/amp-hr  
19

Electron Work Function
4.90 eV  
12
4.90 eV  
12

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

Atomic

Atomic Number
113  
5
97  
21

Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Rn] 5f9 7s2  

Crystal Structure
Not Known  
Double Hexagonal Close Packed (DHCP)  

Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
DHCP-Crystal-Structure-of-Berkelium.jpg#100  

Atom
  
  

Number of Protons
113  
5
97  
21

Number of Neutrons
150  
12
150  
12

Number of Electrons
113  
5
97  
21

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
170.00 pm  
24

Covalent Radius
170.00 pm  
27
170.00 pm  
27

Van der Waals Radius
320.00 pm  
3
244.00 pm  
14

Atomic Weight
286.00 amu  
4
247.00 amu  
18

Atomic Volume
21.10 cm3/mol  
24
13.39 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  

Next Element
Flerovium
  

Valence Electron Potential
6.20 (-eV)  
99+
45.50 (-eV)  
37

Lattice Constant
0.00 pm  
99+
341.60 pm  
99+

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.58  
35
1.57  
38

Mechanical

Density
  
  

Density At Room Temperature
16.00 g/cm3  
19
14.78 g/cm3  
23

Density When Liquid (at m.p.)
16.00 g/cm3  
19
13.25 g/cm3  
29

Tensile Strength
80.00 MPa  
29
70.00 MPa  
31

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
27.00 GPa  
34

Bulk Modulus
0.00 GPa  
99+
13.00 GPa  
99+

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

Poisson Ratio
0.30  
14
0.35  
9

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
16.00  
21
14.00  
25

Magnetic Ordering
-  
Paramagnetic  

Permeability
0.00 H/m  
5
0.00 H/m  
13

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
0.32 nΩ·m  
99+
7.60 nΩ·m  
99+

Electrical Conductivity
0.00 106/cm Ω  
99+
0.10 106/cm Ω  
25

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+
10.00 W/m·K  
99+

Critical Temperature
700.00 K  
99+
1,323.00 K  
99+

Thermal Expansion
6.20 µm/(m·K)  
99+
13.25 µm/(m·K)  
36

Enthalpy
  
  

Enthalpy of Vaporization
410.80 kJ/mol  
23
380.00 kJ/mol  
27

Enthalpy of Fusion
-  
13.25 kJ/mol  
31

Enthalpy of Atomization
320.70 kJ/mol  
99+
601.00 kJ/mol  
11

Standard Molar Entropy
65.00 J/mol.K  
17
52.00 J/mol.K  
37

Summary >>
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