Home
 Compare Metals

Gadolinium vs Nihonium

Gadolinium
Nihonium
Nihonium vs Gadolinium


Periodic Table
Symbol
Gd  
Nh  
Group Number
0  
18
13  
5
Period Number
6  
7  
Block
f block  
p block  
Element Family
Lanthanide  
Probably Post-​Transition  
CAS Number
7440542  
33
54084707  
6
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • Gadolinium is not found free in nature, hence it is not a native metal.
  • Gadolinium metal found in minerals like Monazite and Bastnaesite.
  
Nihonium is a synthetic chemical element and is highly radioactive.  
Sources
Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Jean Charles Galissard de Marignac  
Joint Institute for Nuclear Research and Lawrence Livermore National Laboratory  
Discovery
In 1880  
In 2003  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
40
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
  • 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).
  
  • Currently known uses of Ununtrium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
29
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
1,311.00 °C  
35
430.00 °C  
99+
Boiling Point
3,233.00 °C  
26
1,130.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
-  
Luster
Metallic  
Unknown Luster  
Hardness
  
  
Mohs Hardness
4.50  
10
-  
Brinell Hardness
700.00 MPa  
17
600.00 MPa  
24
Vickers Hardness
510.00 MPa  
34
350.00 MPa  
99+
Speed of Sound
2,680.00 m/s  
99+
3,600.00 m/s  
29
Optical Properties
  
  
Refractive Index
1.97  
16
1.30  
99+
Reflectivity
59.00 %  
24
60.00 %  
23
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Gd  
Nh  
Isotopes
  
  
Known Isotopes
26  
13
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.20  
40
1.30  
33
Sanderson Electronegativity
1.20  
32
1.90  
13
Allred Rochow Electronegativity
1.11  
30
1.30  
25
Mulliken-Jaffe Electronegativity
1.20  
39
1.00  
99+
Allen Electronegativity
1.20  
99+
0.70  
99+
Electropositivity
  
  
Pauling Electropositivity
2.80  
15
2.20  
39
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol  
99+
704.90 kJ/mol  
34
2nd Energy Level
1,170.00 kJ/mol  
99+
2,238.50 kJ/mol  
7
3rd Energy Level
1,990.00 kJ/mol  
99+
3,023.30 kJ/mol  
26
4th Energy Level
4,250.00 kJ/mol  
40
4,351.50 kJ/mol  
39
5th Energy Level
5,930.00 kJ/mol  
99+
5,692.60 kJ/mol  
99+
6th Energy Level
5,930.00 kJ/mol  
99+
7,000.00 kJ/mol  
99+
7th Energy level
5,930.00 kJ/mol  
99+
7,040.00 kJ/mol  
40
8th Energy Level
5,930.00 kJ/mol  
99+
7,040.00 kJ/mol  
36
9th Energy Level
5,930.00 kJ/mol  
99+
7,040.00 kJ/mol  
33
10th Energy Level
5,930.00 kJ/mol  
99+
7,040.00 kJ/mol  
37
11th Energy Level
5,930.00 kJ/mol  
99+
7,040.00 kJ/mol  
35
12th Energy Level
59,300.00 kJ/mol  
17
70,000.00 kJ/mol  
5
13th Energy Level
5,930.00 kJ/mol  
99+
7,000.00 kJ/mol  
34
14th Energy Level
5,930.00 kJ/mol  
36
7,000.00 kJ/mol  
24
15th Energy Level
59,300.00 kJ/mol  
99+
70,000.00 kJ/mol  
30
16th Energy Level
59,300.00 kJ/mol  
37
70,000.00 kJ/mol  
25
17th Energy Level
594.10 kJ/mol  
99+
540.00 kJ/mol  
99+
18th Energy Level
5,930.00 kJ/mol  
99+
3,200.00 kJ/mol  
99+
19th Energy Level
593.40 kJ/mol  
99+
540.20 kJ/mol  
99+
20th Energy Level
594.00 kJ/mol  
99+
700.00 kJ/mol  
36
21st Energy Level
593.40 kJ/mol  
99+
1,130.00 kJ/mol  
29
22nd Energy Level
593.00 kJ/mol  
99+
558.00 kJ/mol  
99+
23rd Energy Level
593.40 kJ/mol  
99+
7,000.00 kJ/mol  
11
24th Energy Level
593.40 kJ/mol  
99+
700.00 kJ/mol  
29
25th Energy Level
593.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
593.40 kJ/mol  
99+
586.20 kJ/mol  
99+
27th Energy Level
593.40 kJ/mol  
99+
704.90 kJ/mol  
28
28th Energy Level
593.40 kJ/mol  
99+
704.90 kJ/mol  
33
29th Energy Level
593.40 kJ/mol  
99+
704.90 kJ/mol  
34
30th Energy Level
593.40 kJ/mol  
99+
704.00 kJ/mol  
28
Electrochemical Equivalent
1.96 g/amp-hr  
36
3.00 g/amp-hr  
21
Electron Work Function
3.10 eV  
99+
4.90 eV  
12
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes  
Chemical Stability, Ionization  
Atomic
Atomic Number
64  
99+
113  
5
Electron Configuration
[Xe] 4f7 5d1 6s2  
[Rn] 5f14 6d10 7s2 7p1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Not Known  
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100  
Unknown-Crystal-Structure-of-Ununtrium.jpg#100  
Atom
  
  
Number of Protons
64  
99+
113  
5
Number of Neutrons
93  
38
150  
12
Number of Electrons
64  
99+
113  
5
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
170.00 pm  
24
Covalent Radius
196.00 pm  
14
170.00 pm  
27
Van der Waals Radius
237.00 pm  
19
320.00 pm  
3
Atomic Weight
47.87 amu  
99+
286.00 amu  
4
Atomic Volume
19.90 cm3/mol  
32
21.10 cm3/mol  
24
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Copernicium
  
Next Element
Terbium
  
Flerovium
  
Valence Electron Potential
46.10 (-eV)  
35
6.20 (-eV)  
99+
Lattice Constant
363.60 pm  
35
0.00 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.59  
29
1.58  
35
Mechanical
Density
  
  
Density At Room Temperature
7.90 g/cm3  
99+
16.00 g/cm3  
19
Density When Liquid (at m.p.)
7.40 g/cm3  
99+
16.00 g/cm3  
19
Tensile Strength
158.00 MPa  
23
80.00 MPa  
29
Viscosity
0.00  
23
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
32
0.00 (Pa)  
37
Vapor Pressure at 2000 K
7.39 (Pa)  
9
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
21.80 GPa  
99+
40.00 GPa  
19
Bulk Modulus
37.90 GPa  
99+
0.00 GPa  
99+
Young's Modulus
54.80 GPa  
38
12.20 GPa  
99+
Poisson Ratio
0.26  
23
0.30  
14
Other Mechanical Properties
Ductile, Malleable  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.90  
99+
16.00  
21
Magnetic Ordering
Ferromagnetic  
-  
Permeability
0.00 H/m  
12
0.00 H/m  
5
Susceptibility
0.00  
4
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
1.31 nΩ·m  
99+
0.32 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.23 J/(kg K)  
27
0.12 J/(kg K)  
99+
Molar Heat Capacity
37.03 J/mol·K  
3
27.00 J/mol·K  
29
Thermal Conductivity
10.60 W/m·K  
99+
1.70 W/m·K  
99+
Critical Temperature
1,585.00 K  
38
700.00 K  
99+
Thermal Expansion
9.40 µm/(m·K)  
99+
6.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
359.40 kJ/mol  
30
410.80 kJ/mol  
23
Enthalpy of Fusion
10.05 kJ/mol  
99+
-  
Enthalpy of Atomization
352.00 kJ/mol  
36
320.70 kJ/mol  
99+
Standard Molar Entropy
68.10 J/mol.K  
16
65.00 J/mol.K  
17
Periodic Table >>
<< All

Compare Lanthanide Series

Lanthanide Series

Lanthanide Series

» More Lanthanide Series

Compare Lanthanide Series

» More Compare Lanthanide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!