Home
Compare Metals


Nihonium vs Terbium


Terbium vs Nihonium


Periodic Table

Symbol
Nh  
Tb  

Group Number
13  
5
3  
15

Period Number
7  
6  

Block
p block  
f block  

Element Family
Probably Post-​Transition  
Lanthanide  

CAS Number
54084707  
6
7440279  
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.  
  • At times Terbium metal acts same as Calcium.
  • Terbium metal closely similar to Lanthanum metal.
  

Sources
Synthetically Produced  
Found in Minerals, Found with Other Rare Earth Metals, Mining, Ores of Minerals  

History
  
  

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

Discovery
In 2003  
In 1842  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
28

Abundance In Sun
-  
0.00 %  
29

Abundance In Meteorites
-  
0.00 %  
99+

Abundance In Earth's Crust
-  
0.00 %  
40

Abundance In Oceans
-  
0.00 %  
99+

Abundance In Humans
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
  • Terbium salts are used in optical devices like laser devices.
  • Terbium’s alloy lengthens and shortens the magnetic field and this effect forms loudspeaker.
  

Industrial Uses
-  
Electronic Industry  

Medical Uses
-  
-  

Other Uses
Research Purposes  
Alloys  

Biological Properties
  
  

Toxicity
-  
Low Toxic  

Present in Human Body
No  
No  

In Blood
0.00 Blood/mg dm-3  
29
0.00 Blood/mg dm-3  
37

In Bone
0.20 p.p.m.  
27
0.00 p.p.m.  
99+

Physical

Melting Point
430.00 °C  
99+
1,356.00 °C  
33

Boiling Point
1,130.00 °C  
99+
3,123.00 °C  
30

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Silvery White  

Luster
Unknown Luster  
Metallic  

Hardness
  
  

Mohs Hardness
-  
1.50  
19

Brinell Hardness
600.00 MPa  
24
677.00 MPa  
19

Vickers Hardness
350.00 MPa  
99+
863.00 MPa  
20

Speed of Sound
3,600.00 m/s  
29
2,620.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
1.60  
32

Reflectivity
60.00 %  
23
35.00 %  
34

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Nh  
Tb  

Isotopes
  
  

Known Isotopes
7  
31
26  
13

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
1.20  
40

Sanderson Electronegativity
1.90  
13
1.20  
32

Allred Rochow Electronegativity
1.30  
25
1.10  
31

Mulliken-Jaffe Electronegativity
1.00  
99+
1.20  
39

Allen Electronegativity
0.70  
99+
1.20  
99+

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.20  
39

Ionization Energies
  
  

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

2nd Energy Level
2,238.50 kJ/mol  
7
1,174.80 kJ/mol  
99+

3rd Energy Level
3,023.30 kJ/mol  
26
2,417.00 kJ/mol  
99+

4th Energy Level
4,351.50 kJ/mol  
39
4,203.00 kJ/mol  
99+

5th Energy Level
5,692.60 kJ/mol  
99+
5,658.00 kJ/mol  
99+

6th Energy Level
7,000.00 kJ/mol  
99+
5,658.00 kJ/mol  
99+

7th Energy level
7,040.00 kJ/mol  
40
5,420.00 kJ/mol  
99+

8th Energy Level
7,040.00 kJ/mol  
36
5,650.00 kJ/mol  
99+

9th Energy Level
7,040.00 kJ/mol  
33
5,650.00 kJ/mol  
99+

10th Energy Level
7,040.00 kJ/mol  
37
5,650.00 kJ/mol  
99+

11th Energy Level
7,040.00 kJ/mol  
35
5,650.00 kJ/mol  
99+

12th Energy Level
70,000.00 kJ/mol  
5
5,650.00 kJ/mol  
99+

13th Energy Level
7,000.00 kJ/mol  
34
5,650.00 kJ/mol  
99+

14th Energy Level
7,000.00 kJ/mol  
24
5,650.00 kJ/mol  
99+

15th Energy Level
70,000.00 kJ/mol  
30
56,500.00 kJ/mol  
99+

16th Energy Level
70,000.00 kJ/mol  
25
56,500.00 kJ/mol  
99+

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

18th Energy Level
3,200.00 kJ/mol  
99+
5,658.00 kJ/mol  
99+

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

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

21st Energy Level
1,130.00 kJ/mol  
29
565.80 kJ/mol  
99+

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

23rd Energy Level
7,000.00 kJ/mol  
11
565.80 kJ/mol  
99+

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

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

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

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

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

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

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

Electrochemical Equivalent
3.00 g/amp-hr  
21
1.98 g/amp-hr  
35

Electron Work Function
4.90 eV  
12
3.00 eV  
99+

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

Atomic

Atomic Number
113  
5
65  
99+

Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Xe] 4f9 6s2  

Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  

Crystal Lattice
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
HCP-Crystal-Structure-of-Terbium.jpg#100  

Atom
  
  

Number of Protons
113  
5
65  
99+

Number of Neutrons
150  
12
94  
37

Number of Electrons
113  
5
65  
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
177.00 pm  
19

Covalent Radius
170.00 pm  
27
194.00 pm  
16

Van der Waals Radius
320.00 pm  
3
221.00 pm  
27

Atomic Weight
286.00 amu  
4
158.93 amu  
99+

Atomic Volume
21.10 cm3/mol  
24
19.20 cm3/mol  
34

Adjacent Atomic Numbers
  
  

Previous Element

Next Element
Flerovium
  

Valence Electron Potential
6.20 (-eV)  
99+
46.80 (-eV)  
34

Lattice Constant
0.00 pm  
99+
360.10 pm  
40

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.58  
35
1.58  
35

Mechanical

Density
  
  

Density At Room Temperature
16.00 g/cm3  
19
8.23 g/cm3  
99+

Density When Liquid (at m.p.)
16.00 g/cm3  
19
7.65 g/cm3  
99+

Tensile Strength
80.00 MPa  
29
60.00 MPa  
35

Viscosity
0.00  
25
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
31

Vapor Pressure at 2000 K
0.00 (Pa)  
37
12.50 (Pa)  
8

Elasticity properties
  
  

Shear Modulus
40.00 GPa  
19
22.10 GPa  
99+

Bulk Modulus
0.00 GPa  
99+
38.70 GPa  
40

Young's Modulus
12.20 GPa  
99+
55.70 GPa  
37

Poisson Ratio
0.30  
14
0.26  
21

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
16.00  
21
8.23  
99+

Magnetic Ordering
-  
Paramagnetic  

Permeability
0.00 H/m  
5
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
0.32 nΩ·m  
99+
1.15 nΩ·m  
99+

Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+

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

Thermal

Specific Heat
0.12 J/(kg K)  
99+
0.18 J/(kg K)  
34

Molar Heat Capacity
27.00 J/mol·K  
29
28.91 J/mol·K  
12

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

Critical Temperature
700.00 K  
99+
1,629.00 K  
37

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

Enthalpy
  
  

Enthalpy of Vaporization
410.80 kJ/mol  
23
330.90 kJ/mol  
99+

Enthalpy of Fusion
-  
10.80 kJ/mol  
40

Enthalpy of Atomization
320.70 kJ/mol  
99+
314.00 kJ/mol  
99+

Standard Molar Entropy
65.00 J/mol.K  
17
73.20 J/mol.K  
10

Periodic Table >>
<< All

Compare Synthetic Metals

Synthetic Metals

Synthetic Metals


Compare Synthetic Metals