Home
Compare Metals


Tungsten vs Rhenium


Rhenium vs Tungsten


Periodic Table

Symbol
W  
Re  

Group Number
6  
12
7  
11

Period Number
6  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
7440337  
99+
7440155  
99+

Space Group Name
Im_ 3m  
P63/mmc  

Space Group Number
229.00  
2
194.00  
7

Facts

Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
-  
Masataka Ogawa  

Discovery
In 1781  
In 1908  

Abundance
  
  

Abundance In Universe
0.00 %  
28
0.00 %  
30

Abundance In Sun
0.00 %  
23
0.00 %  
29

Abundance In Meteorites
0.00 %  
39
0.00 %  
99+

Abundance In Earth's Crust
0.00 %  
39
0.00 %  
99+

Abundance In Oceans
0.00 %  
18
0.00 %  
34

Abundance In Humans
0.00 %  
24
0.00 %  
24

Uses

Uses & Benefits
  • 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.
  
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  

Industrial Uses
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry  
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Non Toxic  
Low Toxic  

Present in Human Body
Yes  
No  

In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
37

In Bone
0.00 p.p.m.  
40
0.00 p.p.m.  
99+

Physical

Melting Point
3,410.00 °C  
1
3,180.00 °C  
2

Boiling Point
5,660.00 °C  
1
5,627.00 °C  
2

Appearance
  
  

Physical State
Solid  
Solid  

Color
Grayish White  
Silvery Gray  

Luster
Lustrous  
Metallic  

Hardness
  
  

Mohs Hardness
7.50  
2
7.00  
3

Brinell Hardness
2,000.00 MPa  
4
1,320.00 MPa  
8

Vickers Hardness
3,430.00 MPa  
3
1,350.00 MPa  
12

Speed of Sound
4,620.00 m/s  
20
4,700.00 m/s  
19

Optical Properties
  
  

Refractive Index
2.10  
11
1.90  
18

Reflectivity
62.00 %  
21
70.00 %  
13

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
W  
Re  

Isotopes
  
  

Known Isotopes
33  
6
33  
6

Electronegativity
  
  

Pauling Electronegativity
2.36  
3
1.90  
12

Sanderson Electronegativity
0.98  
99+
1.90  
13

Allred Rochow Electronegativity
1.40  
20
1.46  
16

Mulliken-Jaffe Electronegativity
2.36  
3
1.90  
13

Allen Electronegativity
1.47  
33
1.60  
24

Electropositivity
  
  

Pauling Electropositivity
1.64  
99+
2.10  
99+

Ionization Energies
  
  

1st Energy Level
770.00 kJ/mol  
16
760.00 kJ/mol  
20

2nd Energy Level
1,700.00 kJ/mol  
30
1,260.00 kJ/mol  
99+

3rd Energy Level
2,045.40 kJ/mol  
99+
2,510.00 kJ/mol  
99+

4th Energy Level
7,700.00 kJ/mol  
8
3,640.00 kJ/mol  
99+

5th Energy Level
7,700.00 kJ/mol  
17
7,600.00 kJ/mol  
20

6th Energy Level
7,700.00 kJ/mol  
35
7,600.00 kJ/mol  
37

7th Energy level
7,700.00 kJ/mol  
29
7,600.00 kJ/mol  
31

8th Energy Level
7,700.00 kJ/mol  
29
5,560.00 kJ/mol  
99+

9th Energy Level
7,700.00 kJ/mol  
25
5,560.00 kJ/mol  
99+

10th Energy Level
7,700.00 kJ/mol  
29
7,600.00 kJ/mol  
31

11th Energy Level
7,700.00 kJ/mol  
28
7,600.00 kJ/mol  
30

12th Energy Level
7,700.00 kJ/mol  
99+
7,600.00 kJ/mol  
99+

13th Energy Level
7,700.00 kJ/mol  
21
7,600.00 kJ/mol  
23

14th Energy Level
770.00 kJ/mol  
99+
7,600.00 kJ/mol  
20

15th Energy Level
77,000.00 kJ/mol  
18
76,000.00 kJ/mol  
20

16th Energy Level
77,000.00 kJ/mol  
13
76,000.00 kJ/mol  
15

17th Energy Level
770.00 kJ/mol  
34
760.10 kJ/mol  
36

18th Energy Level
7,700.00 kJ/mol  
24
7,600.00 kJ/mol  
26

19th Energy Level
770.00 kJ/mol  
31
760.40 kJ/mol  
33

20th Energy Level
770.00 kJ/mol  
25
760.00 kJ/mol  
27

21st Energy Level
770.00 kJ/mol  
99+
760.00 kJ/mol  
99+

22nd Energy Level
770.00 kJ/mol  
19
760.00 kJ/mol  
21

23rd Energy Level
770.00 kJ/mol  
99+
760.00 kJ/mol  
99+

24th Energy Level
770.00 kJ/mol  
15
760.00 kJ/mol  
18

25th Energy Level
770.00 kJ/mol  
14
760.00 kJ/mol  
18

26th Energy Level
770.00 kJ/mol  
14
760.00 kJ/mol  
18

27th Energy Level
770.00 kJ/mol  
13
760.00 kJ/mol  
17

28th Energy Level
770.00 kJ/mol  
19
760.00 kJ/mol  
23

29th Energy Level
770.00 kJ/mol  
19
760.00 kJ/mol  
24

30th Energy Level
770.00 kJ/mol  
14
760.00 kJ/mol  
18

Electrochemical Equivalent
1.14 g/amp-hr  
99+
0.99 g/amp-hr  
99+

Electron Work Function
4.55 eV  
18
4.96 eV  
11

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

Atomic

Atomic Number
74  
99+
75  
99+

Electron Configuration
[Xe] 4f14 5d4 6s2  
[Xe] 4f14 5d5 6s2  

Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
74  
99+
75  
40

Number of Neutrons
110  
28
111  
27

Number of Electrons
74  
99+
75  
40

Radius of an Atom
  
  

Atomic Radius
139.00 pm  
99+
137.00 pm  
99+

Covalent Radius
162.00 pm  
31
151.00 pm  
36

Van der Waals Radius
200.00 pm  
35
200.00 pm  
35

Atomic Weight
183.84 amu  
37
186.21 amu  
36

Atomic Volume
9.53 cm3/mol  
99+
8.85 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Tantalum
  
Tungsten
  

Next Element
Rhenium
  
Osmium
  

Valence Electron Potential
140.00 (-eV)  
5
180.00 (-eV)  
3

Lattice Constant
316.52 pm  
99+
276.10 pm  
99+

Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  

Lattice C/A Ratio
1.29  
99+
1.62  
17

Mechanical

Density
  
  

Density At Room Temperature
19.25 g/cm3  
16
21.02 g/cm3  
12

Density When Liquid (at m.p.)
17.60 g/cm3  
15
18.90 g/cm3  
14

Tensile Strength
370.00 MPa  
11
1,070.00 MPa  
3

Viscosity
0.00  
1
0.00  
25

Vapor Pressure
  
  

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

Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
40

Elasticity properties
  
  

Shear Modulus
161.00 GPa  
5
178.00 GPa  
3

Bulk Modulus
310.00 GPa  
4
370.00 GPa  
2

Young's Modulus
411.00 GPa  
4
463.00 GPa  
2

Poisson Ratio
0.28  
17
0.30  
14

Other Mechanical Properties
Ductile, Malleable  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
19.22  
18
21.02  
14

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
8

Susceptibility
0.00  
23
0.00  
26

Electrical Properties
  
  

Electrical Property
Superconductor  
Conductor  

Resistivity
52.80 nΩ·m  
99+
193.00 nΩ·m  
20

Electrical Conductivity
0.19 106/cm Ω  
10
0.05 106/cm Ω  
38

Electron Affinity
78.60 kJ/mol  
15
14.50 kJ/mol  
99+

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.13 J/(kg K)  
40

Molar Heat Capacity
24.27 J/mol·K  
99+
25.48 J/mol·K  
99+

Thermal Conductivity
173.00 W/m·K  
7
48.00 W/m·K  
31

Critical Temperature
3,695.00 K  
1
3,459.00 K  
2

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

Enthalpy
  
  

Enthalpy of Vaporization
799.10 kJ/mol  
1
707.10 kJ/mol  
4

Enthalpy of Fusion
35.23 kJ/mol  
1
33.05 kJ/mol  
2

Enthalpy of Atomization
837.00 kJ/mol  
1
791.00 kJ/mol  
2

Standard Molar Entropy
32.60 J/mol.K  
99+
36.90 J/mol.K  
99+

Periodic Table >>
<< All

Compare Transition Metals

Transition Metals

Transition Metals

» More Transition Metals

Compare Transition Metals

» More Compare Transition Metals