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Tungsten vs Actinium


Actinium vs Tungsten


Periodic Table

Symbol
W  
Ac  

Group Number
6  
12
3  
15

Period Number
6  
7  

Block
d block  
f block  

Element Family
Transition Metal  
Actinide  

CAS Number
7440337  
99+
7440348  
99+

Space Group Name
Im_ 3m  
Fm_ 3m  

Space Group Number
229.00  
2
225.00  
3

Facts

Interesting Facts
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Actinium glows in the dark due to its radioactivity.  

Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Obtained by Treating Radium with Neutrons, Ores of metals  

History
  
  

Who Discovered
-  
Friedrich Oskar Giesel  

Discovery
In 1781  
In 1902  

Abundance
  
  

Abundance In Universe
0.00 %  
28
0.00 %  
34

Abundance In Sun
0.00 %  
23
0.00 %  
26

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 %  
99+

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.
  
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  

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

Medical Uses
-  
-  

Other Uses
Alloys  
Alloys, Nuclear Research, Research Purposes  

Biological Properties
  
  

Toxicity
Non Toxic  
Toxic  

Present in Human Body
Yes  
No  

In Blood
0.00 Blood/mg dm-3  
31
0.00 Blood/mg dm-3  
40

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

Physical

Melting Point
3,410.00 °C  
1
1,227.00 °C  
38

Boiling Point
5,660.00 °C  
1
3,200.00 °C  
27

Appearance
  
  

Physical State
Solid  
Solid  

Color
Grayish White  
Silvery White  

Luster
Lustrous  
-  

Hardness
  
  

Mohs Hardness
7.50  
2
6.50  
5

Brinell Hardness
2,000.00 MPa  
4
70.00 MPa  
99+

Vickers Hardness
3,430.00 MPa  
3
260.00 MPa  
99+

Speed of Sound
4,620.00 m/s  
20
3,430.00 m/s  
32

Optical Properties
  
  

Refractive Index
2.10  
11
1.00  
99+

Reflectivity
62.00 %  
21
62.00 %  
21

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
W  
Ac  

Isotopes
  
  

Known Isotopes
33  
6
29  
10

Electronegativity
  
  

Pauling Electronegativity
2.36  
3
1.10  
99+

Sanderson Electronegativity
0.98  
99+
1.10  
38

Allred Rochow Electronegativity
1.40  
20
1.00  
37

Mulliken-Jaffe Electronegativity
2.36  
3
1.10  
99+

Allen Electronegativity
1.47  
33
1.10  
99+

Electropositivity
  
  

Pauling Electropositivity
1.64  
99+
2.90  
10

Ionization Energies
  
  

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

2nd Energy Level
1,700.00 kJ/mol  
30
1,170.00 kJ/mol  
99+

3rd Energy Level
2,045.40 kJ/mol  
99+
1,900.00 kJ/mol  
99+

4th Energy Level
7,700.00 kJ/mol  
8
4,700.00 kJ/mol  
33

5th Energy Level
7,700.00 kJ/mol  
17
4,990.00 kJ/mol  
99+

6th Energy Level
7,700.00 kJ/mol  
35
5,750.00 kJ/mol  
99+

7th Energy level
7,700.00 kJ/mol  
29
5,750.00 kJ/mol  
99+

8th Energy Level
7,700.00 kJ/mol  
29
5,750.00 kJ/mol  
99+

9th Energy Level
7,700.00 kJ/mol  
25
4,990.00 kJ/mol  
99+

10th Energy Level
7,700.00 kJ/mol  
29
4,990.00 kJ/mol  
99+

11th Energy Level
7,700.00 kJ/mol  
28
4,990.00 kJ/mol  
99+

12th Energy Level
7,700.00 kJ/mol  
99+
49,900.00 kJ/mol  
21

13th Energy Level
7,700.00 kJ/mol  
21
4,990.00 kJ/mol  
99+

14th Energy Level
770.00 kJ/mol  
99+
4,990.00 kJ/mol  
99+

15th Energy Level
77,000.00 kJ/mol  
18
49,900.00 kJ/mol  
99+

16th Energy Level
77,000.00 kJ/mol  
13
49,900.00 kJ/mol  
99+

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

18th Energy Level
7,700.00 kJ/mol  
24
4,990.00 kJ/mol  
99+

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

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

21st Energy Level
770.00 kJ/mol  
99+
4,990.00 kJ/mol  
25

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

23rd Energy Level
770.00 kJ/mol  
99+
4,990.00 kJ/mol  
29

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

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

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

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

28th Energy Level
770.00 kJ/mol  
19
499.00 kJ/mol  
99+

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

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

Electrochemical Equivalent
1.14 g/amp-hr  
99+
2.82 g/amp-hr  
22

Electron Work Function
4.55 eV  
18
4.38 eV  
23

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

Atomic

Atomic Number
74  
99+
89  
29

Electron Configuration
[Xe] 4f14 5d4 6s2  
[Rn] 6d1 7s2  

Crystal Structure
Body Centered Cubic (BCC)  
Face Centered Cubic (FCC)  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
FCC-Crystal-Structure-of-Actinium.jpg#100  

Atom
  
  

Number of Protons
74  
99+
89  
29

Number of Neutrons
110  
28
138  
17

Number of Electrons
74  
99+
89  
29

Radius of an Atom
  
  

Atomic Radius
139.00 pm  
99+
195.00 pm  
9

Covalent Radius
162.00 pm  
31
186.00 pm  
21

Van der Waals Radius
200.00 pm  
35
215.00 pm  
31

Atomic Weight
183.84 amu  
37
227.00 amu  
25

Atomic Volume
9.53 cm3/mol  
99+
22.54 cm3/mol  
20

Adjacent Atomic Numbers
  
  

Previous Element
Tantalum
  
Radium
  

Next Element
Rhenium
  
Thorium
  

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

Lattice Constant
316.52 pm  
99+
567.00 pm  
9

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

Lattice C/A Ratio
1.29  
99+
1.89  
2

Mechanical

Density
  
  

Density At Room Temperature
19.25 g/cm3  
16
10.00 g/cm3  
40

Density When Liquid (at m.p.)
17.60 g/cm3  
15
10.07 g/cm3  
40

Tensile Strength
370.00 MPa  
11
65.00 MPa  
33

Viscosity
0.00  
1
0.00  
25

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22

Vapor Pressure at 2000 K
0.00 (Pa)  
99+
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
161.00 GPa  
5
25.00 GPa  
38

Bulk Modulus
310.00 GPa  
4
94.00 GPa  
17

Young's Modulus
411.00 GPa  
4
130.00 GPa  
16

Poisson Ratio
0.28  
17
0.34  
10

Other Mechanical Properties
Ductile, Malleable  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
19.22  
18
10.07  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
17

Susceptibility
0.00  
23
0.00  
24

Electrical Properties
  
  

Electrical Property
Superconductor  
-  

Resistivity
52.80 nΩ·m  
99+
5.20 nΩ·m  
99+

Electrical Conductivity
0.19 106/cm Ω  
10
0.15 106/cm Ω  
13

Electron Affinity
78.60 kJ/mol  
15
33.20 kJ/mol  
34

Thermal

Specific Heat
0.13 J/(kg K)  
40
0.12 J/(kg K)  
99+

Molar Heat Capacity
24.27 J/mol·K  
99+
27.20 J/mol·K  
24

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

Critical Temperature
3,695.00 K  
1
1,323.00 K  
99+

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

Enthalpy
  
  

Enthalpy of Vaporization
799.10 kJ/mol  
1
120.00 kJ/mol  
99+

Enthalpy of Fusion
35.23 kJ/mol  
1
14.20 kJ/mol  
28

Enthalpy of Atomization
837.00 kJ/mol  
1
301.00 kJ/mol  
99+

Standard Molar Entropy
32.60 J/mol.K  
99+
56.50 J/mol.K  
33

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