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Rutherfordium vs Tungsten


Tungsten vs Rutherfordium


Periodic Table

Symbol
Rf  
W  

Group Number
4  
14
6  
12

Period Number
7  
6  

Block
d block  
d block  

Element Family
Transition Metal  
Transition Metal  

CAS Number
53850365  
13
7440337  
99+

Space Group Name
-  
Im_ 3m  

Space Group Number
166.00  
9
229.00  
2

Facts

Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  

Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced  
Earth's crust, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Joint Institute for Nuclear Research  
-  

Discovery
In 1964  
In 1781  

Abundance
  
  

Abundance In Universe
0.00 %  
40
0.00 %  
28

Abundance In Sun
-  
0.00 %  
23

Abundance In Meteorites
-  
0.00 %  
39

Abundance In Earth's Crust
-  
0.00 %  
39

Abundance In Oceans
-  
0.00 %  
18

Abundance In Humans
-  
0.00 %  
24

Uses

Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  
  • 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, Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Alloys, Research Purposes  
Alloys  

Biological Properties
  
  

Toxicity
-  
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
2,100.00 °C  
11
3,410.00 °C  
1

Boiling Point
5,500.00 °C  
3
5,660.00 °C  
1

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
Grayish White  

Luster
Unknown Luster  
Lustrous  

Hardness
  
  

Mohs Hardness
-  
7.50  
2

Brinell Hardness
1,300.00 MPa  
9
2,000.00 MPa  
4

Vickers Hardness
550.00 MPa  
31
3,430.00 MPa  
3

Speed of Sound
6,100.00 m/s  
5
4,620.00 m/s  
20

Optical Properties
  
  

Refractive Index
1.30  
99+
2.10  
11

Reflectivity
65.00 %  
18
62.00 %  
21

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Rf  
W  

Isotopes
  
  

Known Isotopes
13  
26
33  
6

Electronegativity
  
  

Pauling Electronegativity
0.00  
99+
2.36  
3

Sanderson Electronegativity
1.90  
13
0.98  
99+

Allred Rochow Electronegativity
1.30  
25
1.40  
20

Mulliken-Jaffe Electronegativity
1.30  
33
2.36  
3

Allen Electronegativity
0.90  
99+
1.47  
33

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
1.64  
99+

Ionization Energies
  
  

1st Energy Level
579.90 kJ/mol  
99+
770.00 kJ/mol  
16

2nd Energy Level
1,389.40 kJ/mol  
99+
1,700.00 kJ/mol  
30

3rd Energy Level
2,296.40 kJ/mol  
99+
2,045.40 kJ/mol  
99+

4th Energy Level
3,077.90 kJ/mol  
99+
7,700.00 kJ/mol  
8

5th Energy Level
5,790.00 kJ/mol  
99+
7,700.00 kJ/mol  
17

6th Energy Level
11,600.00 kJ/mol  
7
7,700.00 kJ/mol  
35

7th Energy level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
29

8th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
29

9th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
25

10th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
29

11th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
28

12th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
99+

13th Energy Level
5,800.00 kJ/mol  
99+
7,700.00 kJ/mol  
21

14th Energy Level
5,800.00 kJ/mol  
99+
770.00 kJ/mol  
99+

15th Energy Level
58,000.00 kJ/mol  
99+
77,000.00 kJ/mol  
18

16th Energy Level
58,000.00 kJ/mol  
99+
77,000.00 kJ/mol  
13

17th Energy Level
579.90 kJ/mol  
99+
770.00 kJ/mol  
34

18th Energy Level
3,300.00 kJ/mol  
99+
7,700.00 kJ/mol  
24

19th Energy Level
579.90 kJ/mol  
99+
770.00 kJ/mol  
31

20th Energy Level
580.00 kJ/mol  
99+
770.00 kJ/mol  
25

21st Energy Level
5,800.00 kJ/mol  
21
770.00 kJ/mol  
99+

22nd Energy Level
579.00 kJ/mol  
99+
770.00 kJ/mol  
19

23rd Energy Level
5,800.00 kJ/mol  
21
770.00 kJ/mol  
99+

24th Energy Level
579.10 kJ/mol  
99+
770.00 kJ/mol  
15

25th Energy Level
0.00 kJ/mol  
99+
770.00 kJ/mol  
14

26th Energy Level
580.00 kJ/mol  
99+
770.00 kJ/mol  
14

27th Energy Level
580.00 kJ/mol  
99+
770.00 kJ/mol  
13

28th Energy Level
840.00 kJ/mol  
14
770.00 kJ/mol  
19

29th Energy Level
580.60 kJ/mol  
99+
770.00 kJ/mol  
19

30th Energy Level
0.00 kJ/mol  
99+
770.00 kJ/mol  
14

Electrochemical Equivalent
3.00 g/amp-hr  
21
1.14 g/amp-hr  
99+

Electron Work Function
6.00 eV  
1
4.55 eV  
18

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

Atomic

Atomic Number
104  
14
74  
99+

Electron Configuration
[Rn] 5f14 6d2 7s2  
[Xe] 4f14 5d4 6s2  

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

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

Atom
  
  

Number of Protons
104  
14
74  
99+

Number of Neutrons
157  
8
110  
28

Number of Electrons
104  
14
74  
99+

Radius of an Atom
  
  

Atomic Radius
150.00 pm  
35
139.00 pm  
99+

Covalent Radius
157.00 pm  
33
162.00 pm  
31

Van der Waals Radius
250.00 pm  
10
200.00 pm  
35

Atomic Weight
267.00 amu  
11
183.84 amu  
37

Atomic Volume
23.20 cm3/mol  
15
9.53 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Tantalum
  

Next Element
Dubnium
  
Rhenium
  

Valence Electron Potential
6.00 (-eV)  
99+
140.00 (-eV)  
5

Lattice Constant
-  
316.52 pm  
99+

Lattice Angles
-  
π/2, π/2, π/2  

Lattice C/A Ratio
1.60  
22
1.29  
99+

Mechanical

Density
  
  

Density At Room Temperature
23.20 g/cm3  
8
19.25 g/cm3  
16

Density When Liquid (at m.p.)
23.20 g/cm3  
9
17.60 g/cm3  
15

Tensile Strength
23.00 MPa  
99+
370.00 MPa  
11

Viscosity
0.00  
25
0.00  
1

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)  
99+

Elasticity properties
  
  

Shear Modulus
23.00 GPa  
99+
161.00 GPa  
5

Bulk Modulus
0.00 GPa  
99+
310.00 GPa  
4

Young's Modulus
12.80 GPa  
99+
411.00 GPa  
4

Poisson Ratio
0.30  
14
0.28  
17

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
23.00  
10
19.22  
18

Magnetic Ordering
-  
Paramagnetic  

Permeability
0.00 H/m  
10
0.00 H/m  
17

Susceptibility
0.00  
24
0.00  
23

Electrical Properties
  
  

Electrical Property
-  
Superconductor  

Resistivity
0.29 nΩ·m  
99+
52.80 nΩ·m  
99+

Electrical Conductivity
0.00 106/cm Ω  
99+
0.19 106/cm Ω  
10

Electron Affinity
50.00 kJ/mol  
26
78.60 kJ/mol  
15

Thermal

Specific Heat
0.27 J/(kg K)  
19
0.13 J/(kg K)  
40

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

Thermal Conductivity
0.23 W/m·K  
99+
173.00 W/m·K  
7

Critical Temperature
2,400.00 K  
12
3,695.00 K  
1

Thermal Expansion
23.20 µm/(m·K)  
17
4.50 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
580.00 kJ/mol  
12
799.10 kJ/mol  
1

Enthalpy of Fusion
-  
35.23 kJ/mol  
1

Enthalpy of Atomization
580.00 kJ/mol  
14
837.00 kJ/mol  
1

Standard Molar Entropy
57.60 J/mol.K  
28
32.60 J/mol.K  
99+

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