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Nihonium Gadolinium Comparison


Gadolinium Nihonium comparison


Periodic Table

Symbol
Nh  
Gd  

Group Number
13  
5
0  
18

Period Number
7  
6  

Block
p block  
f block  

Element Family
Probably Post-​Transition  
Lanthanide  

CAS Number
54084707  
6
7440542  
33

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.  
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  

Sources
Synthetically Produced  
Found in Minerals, Mining  

History
  
  

Who Discovered
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Jean Charles Galissard de Marignac  

Discovery
In 2003  
In 1880  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
23

Abundance In Sun
-  
0.00 %  
25

Abundance In Meteorites
-  
0.00 %  
34

Abundance In Earth's Crust
-  
0.00 %  
30

Abundance In Oceans
-  
0.00 %  
38

Abundance In Humans
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
  • Its alloys are also used in making Magnets, electronic components and Data storage devices.
  • Compound of Gadolinium metal are used in magnetic resonance imaging (MRI).
  

Industrial Uses
-  
Aerospace Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Research Purposes  
Alloys  

Biological Properties
  
  

Toxicity
-  
Non Toxic  

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+
1,311.00 °C  
35

Boiling Point
1,130.00 °C  
99+
3,233.00 °C  
26

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Silvery White  

Luster
Unknown Luster  
Metallic  

Hardness
  
  

Mohs Hardness
-  
4.50  
10

Brinell Hardness
600.00 MPa  
24
700.00 MPa  
17

Vickers Hardness
350.00 MPa  
99+
510.00 MPa  
34

Speed of Sound
3,600.00 m/s  
29
2,680.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
1.97  
16

Reflectivity
60.00 %  
23
59.00 %  
24

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Nh  
Gd  

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
1.11  
30

Mulliken-Jaffe Electronegativity
1.00  
99+
1.20  
39

Allen Electronegativity
0.70  
99+
1.20  
99+

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.80  
15

Ionization Energies
  
  

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

2nd Energy Level
2,238.50 kJ/mol  
7
1,170.00 kJ/mol  
99+

3rd Energy Level
3,023.30 kJ/mol  
26
1,990.00 kJ/mol  
99+

4th Energy Level
4,351.50 kJ/mol  
39
4,250.00 kJ/mol  
40

5th Energy Level
5,692.60 kJ/mol  
99+
5,930.00 kJ/mol  
99+

6th Energy Level
7,000.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+

7th Energy level
7,040.00 kJ/mol  
40
5,930.00 kJ/mol  
99+

8th Energy Level
7,040.00 kJ/mol  
36
5,930.00 kJ/mol  
99+

9th Energy Level
7,040.00 kJ/mol  
33
5,930.00 kJ/mol  
99+

10th Energy Level
7,040.00 kJ/mol  
37
5,930.00 kJ/mol  
99+

11th Energy Level
7,040.00 kJ/mol  
35
5,930.00 kJ/mol  
99+

12th Energy Level
70,000.00 kJ/mol  
5
59,300.00 kJ/mol  
17

13th Energy Level
7,000.00 kJ/mol  
34
5,930.00 kJ/mol  
99+

14th Energy Level
7,000.00 kJ/mol  
24
5,930.00 kJ/mol  
36

15th Energy Level
70,000.00 kJ/mol  
30
59,300.00 kJ/mol  
99+

16th Energy Level
70,000.00 kJ/mol  
25
59,300.00 kJ/mol  
37

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

18th Energy Level
3,200.00 kJ/mol  
99+
5,930.00 kJ/mol  
99+

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

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

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

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

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

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

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

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

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

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

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

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

Electrochemical Equivalent
3.00 g/amp-hr  
21
1.96 g/amp-hr  
36

Electron Work Function
4.90 eV  
12
3.10 eV  
99+

Other Chemical Properties
Chemical Stability, Ionization  
Corrosion, Flammable, Ionization, Radioactive Isotopes  

Atomic

Atomic Number
113  
5
64  
99+

Electron Configuration
[Rn] 5f14 6d10 7s2 7p1  
[Xe] 4f7 5d1 6s2  

Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  

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

Atom
  
  

Number of Protons
113  
5
64  
99+

Number of Neutrons
150  
12
93  
38

Number of Electrons
113  
5
64  
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
180.00 pm  
16

Covalent Radius
170.00 pm  
27
196.00 pm  
14

Van der Waals Radius
320.00 pm  
3
237.00 pm  
19

Atomic Weight
286.00 amu  
4
47.87 amu  
99+

Atomic Volume
21.10 cm3/mol  
24
19.90 cm3/mol  
32

Adjacent Atomic Numbers
  
  

Previous Element
Europium
  

Next Element
Flerovium
  
Terbium
  

Valence Electron Potential
6.20 (-eV)  
99+
46.10 (-eV)  
35

Lattice Constant
0.00 pm  
99+
363.60 pm  
35

Lattice Angles
-  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.58  
35
1.59  
29

Mechanical

Density
  
  

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

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

Tensile Strength
80.00 MPa  
29
158.00 MPa  
23

Viscosity
0.00  
25
0.00  
23

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
32

Vapor Pressure at 2000 K
0.00 (Pa)  
37
7.39 (Pa)  
9

Elasticity properties
  
  

Shear Modulus
40.00 GPa  
19
21.80 GPa  
99+

Bulk Modulus
0.00 GPa  
99+
37.90 GPa  
99+

Young's Modulus
12.20 GPa  
99+
54.80 GPa  
38

Poisson Ratio
0.30  
14
0.26  
23

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
16.00  
21
7.90  
99+

Magnetic Ordering
-  
Ferromagnetic  

Permeability
0.00 H/m  
5
0.00 H/m  
12

Susceptibility
0.00  
24
0.00  
4

Electrical Properties
  
  

Electrical Property
-  
Conductor  

Resistivity
0.32 nΩ·m  
99+
1.31 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+
0.23 J/(kg K)  
27

Molar Heat Capacity
27.00 J/mol·K  
29
37.03 J/mol·K  
3

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

Critical Temperature
700.00 K  
99+
1,585.00 K  
38

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

Enthalpy
  
  

Enthalpy of Vaporization
410.80 kJ/mol  
23
359.40 kJ/mol  
30

Enthalpy of Fusion
-  
10.05 kJ/mol  
99+

Enthalpy of Atomization
320.70 kJ/mol  
99+
352.00 kJ/mol  
36

Standard Molar Entropy
65.00 J/mol.K  
17
68.10 J/mol.K  
16

Summary >>
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