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Vanadium vs Curium

Vanadium
Curium
Curium vs Vanadium


Periodic Table
Symbol
V  
Cm  
Group Number
5  
13
Not Available  
Period Number
4  
7  
Block
d block  
f block  
Element Family
Transition Metal  
Actinide  
CAS Number
7440622  
27
7440519  
36
Space Group Name
Im_ 3m  
Not Available  
Space Group Number
229.00  
1
Not Available  
Facts
Interesting Facts
  • Vanadium is a highly reactive metal, hence it is not found free in nature.
  • Vanadium can be found in almost 65 different types of minerals.
  
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
Sources
Found As a By-product, Found in Minerals, Mining, Ores of Minerals  
Bombarding Plutonium with Helium Ions  
History
  
  
Who Discovered
Andrés Manuel del Río  
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso  
Discovery
In 1801  
In 1944  
Abundance
  
  
Abundance In Universe
1 * 10-4 %  
10
Not Available  
Abundance In Sun
~0.00004 %  
13
~-9999 %  
Abundance In Meteorites
0.01 %  
14
Not Available  
Abundance In Earth's Crust
0.02 %  
12
Not Available  
Abundance In Oceans
0.00 %  
14
Not Available  
Abundance In Humans
0.00 %  
16
Not Available  
Uses
Uses & Benefits
  • Its ally with steel is used very tough and hence it is used in armor plates, axles, piston rods, tools and crankshafts.
  • Its oxide is used as pigments for glass and ceramics.
  
  • Curium metal is used to provide power to electrical equipment for space missions.
  
Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry  
NA  
Medical Uses
NA  
NA  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Toxic  
Unknown  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
36
0.00 Blood/mg dm-3  
37
In Bone
0.00 p.p.m.  
31
0.00 p.p.m.  
36
Physical Properties
Melting Point
1,890.00 °C  
13
1,340.00 °C  
34
Boiling Point
3,380.00 °C  
20
3,110.00 °C  
30
Appearance
  
  
Physical State
Solid  
Solid  
Color
Blue-Silver Grey  
Silver  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
6.70  
4
Not Available  
Brinell Hardness
600.00 MPa  
20
Not Available  
Vickers Hardness
628.00 MPa  
17
Not Available  
Speed of Sound
4,560.00 m/s  
17
Not Available  
Optical Properties
  
  
Reflectivity
61.00 %  
14
Not Available  
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
V  
Cm  
Isotopes
  
  
Known Isotopes
22  
17
15  
24
Electronegativity
  
  
Pauling Electronegativity
1.63  
20
1.30  
32
Sanderson Electronegativity
1.39  
17
Not Available  
Allred Rochow Electronegativity
1.45  
16
1.20  
27
Allen Electronegativity
1.53  
26
Not Available  
Electropositivity
  
  
Pauling Electropositivity
2.37  
34
2.70  
22
Ionization Energies
  
  
1st Energy Level
650.90 kJ/mol  
99+
581.00 kJ/mol  
99+
2nd Energy Level
1,414.00 kJ/mol  
99+
1,196.00 kJ/mol  
99+
3rd Energy Level
2,830.00 kJ/mol  
35
2,026.00 kJ/mol  
99+
4th Energy Level
4,507.00 kJ/mol  
25
3,550.00 kJ/mol  
99+
5th Energy Level
6,298.70 kJ/mol  
23
Not Available  
6th Energy Level
12,363.00 kJ/mol  
5
Not Available  
7th Energy level
14,530.00 kJ/mol  
5
Not Available  
8th Energy Level
16,730.00 kJ/mol  
7
Not Available  
9th Energy Level
19,860.00 kJ/mol  
7
Not Available  
10th Energy Level
22,240.00 kJ/mol  
12
Not Available  
11th Energy Level
24,670.00 kJ/mol  
15
Not Available  
12th Energy Level
29,730.00 kJ/mol  
12
Not Available  
13th Energy Level
32,446.00 kJ/mol  
12
Not Available  
14th Energy Level
86,450.00 kJ/mol  
1
Not Available  
15th Energy Level
94,170.00 kJ/mol  
2
Not Available  
16th Energy Level
102,300.00 kJ/mol  
3
Not Available  
17th Energy Level
112,700.00 kJ/mol  
4
Not Available  
18th Energy Level
121,600.00 kJ/mol  
5
Not Available  
19th Energy Level
130,700.00 kJ/mol  
6
Not Available  
20th Energy Level
143,400.00 kJ/mol  
8
Not Available  
21st Energy Level
151,440.00 kJ/mol  
8
Not Available  
Electrochemical Equivalent
0.38 g/amp-hr  
99+
3.07 g/amp-hr  
16
Electron Work Function
4.30 eV  
18
Not Available  
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes  
Ionization, Radioactive Isotopes  
Atomic Properties
Atomic Number
23  
99+
96  
22
Electron Configuration
[Ar] 3d3 4s2  
[Rn] 5f7 6d1 7s2  
Crystal Structure
Body Centered Cubic (BCC)  
Double Hexagonal Close Packed (DHCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
DHCP-Crystal-Structure-of-Curium.jpg#100  
Atom
  
  
Number of Protons
23  
99+
96  
22
Number of Neutrons
28  
99+
151  
10
Number of Electrons
23  
99+
96  
22
Radius of an Atom
  
  
Atomic Radius
134.00 pm  
99+
174.00 pm  
20
Covalent Radius
153.00 pm  
33
169.00 pm  
26
Van der Waals Radius
200.00 pm  
28
200.00 pm  
28
Atomic Weight
50.94 amu  
99+
247.00 amu  
18
Atomic Volume
8.78 cm3/mol  
99+
18.28 cm3/mol  
26
Adjacent Atomic Numbers
  
  
Previous Element
Titanium
  
Americium
  
Next Element
Chromium
  
Berkelium
  
Valence Electron Potential
120.00 (-eV)  
6
44.50 (-eV)  
38
Lattice Constant
303.00 pm  
99+
Not Available  
Lattice Angles
π/2, π/2, π/2  
NA  
Lattice C/A Ratio
Not Available  
Not Available  
Mechanical Properties
Density
  
  
Density At Room Temperature
6.00 g/cm3  
99+
13.51 g/cm3  
25
Density When Liquid (at m.p.)
5.50 g/cm3  
99+
13.85 g/cm3  
10
Tensile Strength
800.00 MPa  
6
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.23 (Pa)  
16
Not Available  
Elasticity properties
  
  
Shear Modulus
47.00 GPa  
16
Not Available  
Bulk Modulus
160.00 GPa  
11
Not Available  
Young's Modulus
128.00 GPa  
15
Not Available  
Poisson Ratio
0.37  
7
Not Available  
Other Mechanical Properties
Ductile, Malleable  
Unknown  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
5.96  
99+
13.51  
17
Magnetic Ordering
Paramagnetic  
Antiferromagnetic  
Electrical Properties
  
  
Electrical Property
Superconductor  
Unknown  
Resistivity
197.00 nΩ·m  
19
1.25 nΩ·m  
99+
Electrical Conductivity
0.05 106/cm Ω  
35
Not Available  
Electron Affinity
50.60 kJ/mol  
20
Not Available  
Thermal Properties
Specific Heat
0.49 J/(kg K)  
10
Not Available  
Molar Heat Capacity
24.89 J/mol·K  
99+
Not Available  
Thermal Conductivity
30.70 W/m·K  
39
Not Available  
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
8.40 µm/(m·K)  
99+
Not Available  
Enthalpy
  
  
Enthalpy of Vaporization
458.60 kJ/mol  
14
Not Available  
Enthalpy of Fusion
17.57 kJ/mol  
14
15.00 kJ/mol  
21
Enthalpy of Atomization
514.60 kJ/mol  
13
Not Available  
Standard Molar Entropy
28.90 J/mol.K  
99+
Not Available  
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