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Actinium Tungsten Comparison

Actinium
Tungsten
Tungsten Actinium comparison


Periodic Table
Symbol
Ac   
W   
Group Number
Not Available   
6   
12
Period Number
7   
6   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440348   
99+
7440337   
99+
Space Group Name
Fm_ 3m   
Im_ 3m   
Space Group Number
225.00   
2
229.00   
1
Facts
Interesting Facts
Not Available   
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Obtained by Treating Radium with Neutrons, Ores of metals   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Friedrich Oskar Giesel   
Not Available   
Discovery
In 1902   
In 1781   
Abundance
  
  
Abundance In Universe
Not Available   
5 * 10-8 %   
27
Abundance In Sun
~-9999 %   
~0.0000004 %   
23
Abundance In Meteorites
Not Available   
0.00 %   
39
Abundance In Earth's Crust
Not Available   
0.00 %   
39
Abundance In Oceans
Not Available   
0.00 %   
18
Uses
Uses & Benefits
  • Actinium metal has a great source of alpha rays but it is hardly used outside research purpose.
  
  • 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
NA   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
31
In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
35
Physical Properties
Melting Point
1,227.00 °C   
38
3,410.00 °C   
1
Boiling Point
3,200.00 °C   
26
5,660.00 °C   
1
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Grayish White   
Luster
NA   
Lustrous   
Hardness
  
  
Mohs Hardness
Not Available   
7.50   
2
Brinell Hardness
Not Available   
2,000.00 MPa   
4
Vickers Hardness
Not Available   
3,430.00 MPa   
1
Speed of Sound
Not Available   
4,620.00 m/s   
16
Optical Properties
  
  
Reflectivity
Not Available   
62.00 %   
13
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Ac   
W   
Isotopes
  
  
Known Isotopes
29   
10
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.10   
99+
2.36   
2
Sanderson Electronegativity
Not Available   
0.98   
23
Allred Rochow Electronegativity
1.00   
36
1.40   
19
Allen Electronegativity
Not Available   
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
2.90   
10
1.64   
99+
Ionization Energies
  
  
1st Energy Level
499.00 kJ/mol   
99+
770.00 kJ/mol   
16
2nd Energy Level
1,170.00 kJ/mol   
99+
1,700.00 kJ/mol   
29
3rd Energy Level
1,900.00 kJ/mol   
99+
Not Available   
4th Energy Level
4,700.00 kJ/mol   
23
Not Available   
Electrochemical Equivalent
2.82 g/amp-hr   
18
1.14 g/amp-hr   
99+
Electron Work Function
Not Available   
4.55 eV   
13
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
89   
29
74   
99+
Electron Configuration
[Rn] 6d1 7s2   
[Xe] 4f14 5d4 6s2   
Crystal Structure
Face Centered Cubic (FCC)   
Body Centered Cubic (BCC)   
Crystal Lattice
FCC-Crystal-Structure-of-Actinium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
89   
29
74   
99+
Number of Neutrons
138   
16
110   
27
Number of Electrons
89   
29
74   
99+
Radius of an Atom
  
  
Atomic Radius
195.00 pm   
7
139.00 pm   
39
Covalent Radius
Not Available   
162.00 pm   
29
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
227.00 amu   
25
183.84 amu   
37
Atomic Volume
22.54 cm3/mol   
11
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Radium
  
Tantalum
  
Next Element
Thorium
  
Rhenium
  
Valence Electron Potential
38.60 (-eV)   
99+
140.00 (-eV)   
5
Lattice Constant
567.00 pm   
8
316.52 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
10.00 g/cm3   
37
19.25 g/cm3   
16
Density When Liquid (at m.p.)
Not Available   
17.60 g/cm3   
5
Tensile Strength
Not Available   
370.00 MPa   
10
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
Not Available   
0.00 (Pa)   
32
Elasticity properties
  
  
Shear Modulus
Not Available   
161.00 GPa   
5
Bulk Modulus
Not Available   
310.00 GPa   
4
Young's Modulus
Not Available   
411.00 GPa   
4
Poisson Ratio
Not Available   
0.28   
17
Other Mechanical Properties
NA   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
10.07   
28
19.22   
9
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Superconductor   
Resistivity
Not Available   
52.80 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.19 106/cm Ω   
10
Electron Affinity
Not Available   
78.60 kJ/mol   
13
Thermal Properties
Specific Heat
0.12 J/(kg K)   
40
0.13 J/(kg K)   
39
Molar Heat Capacity
27.20 J/mol·K   
18
24.27 J/mol·K   
99+
Thermal Conductivity
12.00 W/m·K   
99+
173.00 W/m·K   
7
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
4.50 µm/(m·K)   
99+
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
799.10 kJ/mol   
1
Enthalpy of Fusion
Not Available   
35.23 kJ/mol   
1
Enthalpy of Atomization
301.00 kJ/mol   
36
837.00 kJ/mol   
1
Standard Molar Entropy
56.50 J/mol.K   
25
32.60 J/mol.K   
99+
Summary >>
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