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Gadolinium vs Tungsten

Gadolinium
Tungsten
Tungsten vs Gadolinium


Periodic Table
Symbol
Gd  
W  
Group Number
0  
18
6  
12
Period Number
6  
6  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7440542  
33
7440337  
99+
Space Group Name
P63/mmc  
Im_ 3m  
Space Group Number
194.00  
7
229.00  
2
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.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Found in Minerals, Mining  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Jean Charles Galissard de Marignac  
-  
Discovery
In 1880  
In 1781  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
28
Abundance In Sun
0.00 %  
25
0.00 %  
23
Abundance In Meteorites
0.00 %  
34
0.00 %  
39
Abundance In Earth's Crust
0.00 %  
30
0.00 %  
39
Abundance In Oceans
0.00 %  
38
0.00 %  
18
Abundance In Humans
0.00 %  
24
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).
  
  • Tungsten and its alloys are used in high-temperature applications like welding electrodes, high-temperature furnace, etc.
  • Tungsten carbide is very hard and used in metal working, mining and petroleum industry.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
31
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
40
Physical
Melting Point
1,311.00 °C  
35
3,410.00 °C  
1
Boiling Point
3,233.00 °C  
26
5,660.00 °C  
1
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Grayish White  
Luster
Metallic  
Lustrous  
Hardness
  
  
Mohs Hardness
4.50  
10
7.50  
2
Brinell Hardness
700.00 MPa  
17
2,000.00 MPa  
4
Vickers Hardness
510.00 MPa  
34
3,430.00 MPa  
3
Speed of Sound
2,680.00 m/s  
99+
4,620.00 m/s  
20
Optical Properties
  
  
Refractive Index
1.97  
16
2.10  
11
Reflectivity
59.00 %  
24
62.00 %  
21
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Gd  
W  
Isotopes
  
  
Known Isotopes
26  
13
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.20  
40
2.36  
3
Sanderson Electronegativity
1.20  
32
0.98  
99+
Allred Rochow Electronegativity
1.11  
30
1.40  
20
Mulliken-Jaffe Electronegativity
1.20  
39
2.36  
3
Allen Electronegativity
1.20  
99+
1.47  
33
Electropositivity
  
  
Pauling Electropositivity
2.80  
15
1.64  
99+
Ionization Energies
  
  
1st Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
16
2nd Energy Level
1,170.00 kJ/mol  
99+
1,700.00 kJ/mol  
30
3rd Energy Level
1,990.00 kJ/mol  
99+
2,045.40 kJ/mol  
99+
4th Energy Level
4,250.00 kJ/mol  
40
7,700.00 kJ/mol  
8
5th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
17
6th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
35
7th Energy level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
8th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
9th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
25
10th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
29
11th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
28
12th Energy Level
59,300.00 kJ/mol  
17
7,700.00 kJ/mol  
99+
13th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
21
14th Energy Level
5,930.00 kJ/mol  
36
770.00 kJ/mol  
99+
15th Energy Level
59,300.00 kJ/mol  
99+
77,000.00 kJ/mol  
18
16th Energy Level
59,300.00 kJ/mol  
37
77,000.00 kJ/mol  
13
17th Energy Level
594.10 kJ/mol  
99+
770.00 kJ/mol  
34
18th Energy Level
5,930.00 kJ/mol  
99+
7,700.00 kJ/mol  
24
19th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
31
20th Energy Level
594.00 kJ/mol  
99+
770.00 kJ/mol  
25
21st Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
99+
22nd Energy Level
593.00 kJ/mol  
99+
770.00 kJ/mol  
19
23rd Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
99+
24th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
15
25th Energy Level
593.00 kJ/mol  
99+
770.00 kJ/mol  
14
26th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
14
27th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
13
28th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
19
29th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
19
30th Energy Level
593.40 kJ/mol  
99+
770.00 kJ/mol  
14
Electrochemical Equivalent
1.96 g/amp-hr  
36
1.14 g/amp-hr  
99+
Electron Work Function
3.10 eV  
99+
4.55 eV  
18
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
64  
99+
74  
99+
Electron Configuration
[Xe] 4f7 5d1 6s2  
[Xe] 4f14 5d4 6s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Gadolinium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
64  
99+
74  
99+
Number of Neutrons
93  
38
110  
28
Number of Electrons
64  
99+
74  
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
139.00 pm  
99+
Covalent Radius
196.00 pm  
14
162.00 pm  
31
Van der Waals Radius
237.00 pm  
19
200.00 pm  
35
Atomic Weight
47.87 amu  
99+
183.84 amu  
37
Atomic Volume
19.90 cm3/mol  
32
9.53 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Europium
  
Tantalum
  
Next Element
Terbium
  
Rhenium
  
Valence Electron Potential
46.10 (-eV)  
35
140.00 (-eV)  
5
Lattice Constant
363.60 pm  
35
316.52 pm  
99+
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.59  
29
1.29  
99+
Mechanical
Density
  
  
Density At Room Temperature
7.90 g/cm3  
99+
19.25 g/cm3  
16
Density When Liquid (at m.p.)
7.40 g/cm3  
99+
17.60 g/cm3  
15
Tensile Strength
158.00 MPa  
23
370.00 MPa  
11
Viscosity
0.00  
23
0.00  
1
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)  
99+
Elasticity properties
  
  
Shear Modulus
21.80 GPa  
99+
161.00 GPa  
5
Bulk Modulus
37.90 GPa  
99+
310.00 GPa  
4
Young's Modulus
54.80 GPa  
38
411.00 GPa  
4
Poisson Ratio
0.26  
23
0.28  
17
Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.90  
99+
19.22  
18
Magnetic Ordering
Ferromagnetic  
Paramagnetic  
Permeability
0.00 H/m  
12
0.00 H/m  
17
Susceptibility
0.00  
4
0.00  
23
Electrical Properties
  
  
Electrical Property
Conductor  
Superconductor  
Resistivity
1.31 nΩ·m  
99+
52.80 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.19 106/cm Ω  
10
Electron Affinity
50.00 kJ/mol  
26
78.60 kJ/mol  
15
Thermal
Specific Heat
0.23 J/(kg K)  
27
0.13 J/(kg K)  
40
Molar Heat Capacity
37.03 J/mol·K  
3
24.27 J/mol·K  
99+
Thermal Conductivity
10.60 W/m·K  
99+
173.00 W/m·K  
7
Critical Temperature
1,585.00 K  
38
3,695.00 K  
1
Thermal Expansion
9.40 µm/(m·K)  
99+
4.50 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
359.40 kJ/mol  
30
799.10 kJ/mol  
1
Enthalpy of Fusion
10.05 kJ/mol  
99+
35.23 kJ/mol  
1
Enthalpy of Atomization
352.00 kJ/mol  
36
837.00 kJ/mol  
1
Standard Molar Entropy
68.10 J/mol.K  
16
32.60 J/mol.K  
99+
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