Home
 Compare Metals

Californium Tungsten Comparison

Californium
Tungsten
Tungsten Californium comparison


Periodic Table
Symbol
Cf   
W   
Group Number
Not Available   
6   
12
Period Number
7   
6   
Block
f block   
d block   
Element Family
Actinide   
Transition Metal   
CAS Number
7440713   
20
7440337   
99+
Space Group Name
P63/mmc   
Im_ 3m   
Space Group Number
194.00   
5
229.00   
1
Facts
Interesting Facts
  • Californium metal is very harmful and highly radioactive.
  • Californium metal is the heaviest metal.
  
  • Tungsten element has the second highest melting point.
  • Pure tungsten can easily cut down with the help of hacksaw.
  
Sources
Made by Bombarding Curium with Helium Ions   
Earth's crust, Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Lawrence Berkeley National Laboratory   
Not Available   
Discovery
In 1950   
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
  • Californium metal has a very strong neutron emitter. It is used as a metal detector.
  • It also used as an identifier to check Water and oil layers in oil wells.
  
  • 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
Chemical Industry   
Aerospace Industry, Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research   
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
900.00 °C   
99+
3,410.00 °C   
1
Boiling Point
1,470.00 °C   
99+
5,660.00 °C   
1
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Grayish White   
Luster
NA   
Lustrous   
Hardness
  
  
Mohs Hardness
3.00   
12
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
Cf   
W   
Isotopes
  
  
Known Isotopes
20   
19
33   
6
Electronegativity
  
  
Pauling Electronegativity
1.30   
32
2.36   
2
Sanderson Electronegativity
Not Available   
0.98   
23
Allred Rochow Electronegativity
1.20   
27
1.40   
19
Allen Electronegativity
Not Available   
1.47   
29
Electropositivity
  
  
Pauling Electropositivity
2.70   
22
1.64   
99+
Ionization Energies
  
  
1st Energy Level
608.00 kJ/mol   
99+
770.00 kJ/mol   
16
2nd Energy Level
1,206.00 kJ/mol   
99+
1,700.00 kJ/mol   
29
3rd Energy Level
2,267.00 kJ/mol   
99+
Not Available   
4th Energy Level
3,599.00 kJ/mol   
99+
Not Available   
Electrochemical Equivalent
3.12 g/amp-hr   
15
1.14 g/amp-hr   
99+
Electron Work Function
Not Available   
4.55 eV   
13
Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity, Solubility   
Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
98   
20
74   
99+
Electron Configuration
[Rn] 5f10 7s2   
[Xe] 4f14 5d4 6s2   
Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
DHCP-Crystal-Structure-of-Californium.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
98   
20
74   
99+
Number of Neutrons
153   
9
110   
27
Number of Electrons
98   
20
74   
99+
Radius of an Atom
  
  
Atomic Radius
186.00 pm   
9
139.00 pm   
39
Covalent Radius
Not Available   
162.00 pm   
29
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
251.00 amu   
17
183.84 amu   
37
Atomic Volume
Not Available   
9.53 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Berkelium
  
Tantalum
  
Next Element
Einsteinium
  
Rhenium
  
Valence Electron Potential
44.50 (-eV)   
38
140.00 (-eV)   
5
Lattice Constant
338.00 pm   
99+
316.52 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
15.10 g/cm3   
21
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
Malleable, Sectile   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
15.10   
13
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
Not Available   
0.13 J/(kg K)   
39
Molar Heat Capacity
Not Available   
24.27 J/mol·K   
99+
Thermal Conductivity
Not Available   
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
Not Available   
837.00 kJ/mol   
1
Standard Molar Entropy
Not Available   
32.60 J/mol.K   
99+
Summary >>
<< Thermal

Compare Actinide Series

Actinide Metals

Actinide Metals

» More Actinide Metals

Compare Actinide Series

» More Compare Actinide Series
Home | About | Contact | Disclaimer | Terms of use
© A softusvista inc. venture!