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Curium vs Vanadium


Vanadium vs Curium


Periodic Table

Symbol
Cm   
V   

Group Number
Not Available   
5   
13

Period Number
7   
4   

Block
f block   
d block   

Element Family
Actinide   
Transition Metal   

CAS Number
7440519   
36
7440622   
27

Space Group Name
Not Available   
Im_ 3m   

Space Group Number
Not Available   
229.00   
1

Facts

Interesting Facts
  • Curium metal does not occur free in nature.
  • Curium metal is a synthetically produced metal.
  
  • 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.
  

Sources
Bombarding Plutonium with Helium Ions   
Found As a By-product, Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Glenn T. Seaborg, Ralph A. James, Albert Ghiorso   
Andrés Manuel del Río   

Discovery
In 1944   
In 1801   

Abundance
  
  

Abundance In Universe
Not Available   
1 * 10-4 %   
10

Abundance In Sun
~-9999 %   
~0.00004 %   
13

Abundance In Meteorites
Not Available   
0.01 %   
14

Abundance In Earth's Crust
Not Available   
0.02 %   
12

Abundance In Oceans
Not Available   
0.00 %   
14

Abundance In Humans
Not Available   
0.00 %   
16

Uses

Uses & Benefits
  • Curium metal is used to provide power to electrical equipment for space missions.
  
  • 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.
  

Industrial Uses
NA   
Aerospace Industry, Automobile Industry, Chemical Industry   

Medical Uses
NA   
NA   

Other Uses
Research Purposes   
Alloys   

Biological Properties
  
  

Toxicity
Unknown   
Toxic   

Present in Human Body
No   
Yes   

In Blood
0.00 Blood/mg dm-3   
37
0.00 Blood/mg dm-3   
36

In Bone
0.00 p.p.m.   
36
0.00 p.p.m.   
31

Physical Properties

Melting Point
1,340.00 °C   
34
1,890.00 °C   
13

Boiling Point
3,110.00 °C   
30
3,380.00 °C   
20

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Blue-Silver Grey   

Luster
Metallic   
Metallic   

Hardness
  
  

Mohs Hardness
Not Available   
6.70   
4

Brinell Hardness
Not Available   
600.00 MPa   
20

Vickers Hardness
Not Available   
628.00 MPa   
17

Speed of Sound
Not Available   
4,560.00 m/s   
17

Optical Properties
  
  

Reflectivity
Not Available   
61.00 %   
14

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
Cm   
V   

Isotopes
  
  

Known Isotopes
15   
24
22   
17

Electronegativity
  
  

Pauling Electronegativity
1.30   
32
1.63   
20

Sanderson Electronegativity
Not Available   
1.39   
17

Allred Rochow Electronegativity
1.20   
27
1.45   
16

Allen Electronegativity
Not Available   
1.53   
26

Electropositivity
  
  

Pauling Electropositivity
2.70   
22
2.37   
34

Ionization Energies
  
  

1st Energy Level
581.00 kJ/mol   
99+
650.90 kJ/mol   
99+

2nd Energy Level
1,196.00 kJ/mol   
99+
1,414.00 kJ/mol   
99+

3rd Energy Level
2,026.00 kJ/mol   
99+
2,830.00 kJ/mol   
35

4th Energy Level
3,550.00 kJ/mol   
99+
4,507.00 kJ/mol   
25

5th Energy Level
Not Available   
6,298.70 kJ/mol   
23

6th Energy Level
Not Available   
12,363.00 kJ/mol   
5

7th Energy level
Not Available   
14,530.00 kJ/mol   
5

8th Energy Level
Not Available   
16,730.00 kJ/mol   
7

9th Energy Level
Not Available   
19,860.00 kJ/mol   
7

10th Energy Level
Not Available   
22,240.00 kJ/mol   
12

11th Energy Level
Not Available   
24,670.00 kJ/mol   
15

12th Energy Level
Not Available   
29,730.00 kJ/mol   
12

13th Energy Level
Not Available   
32,446.00 kJ/mol   
12

14th Energy Level
Not Available   
86,450.00 kJ/mol   
1

15th Energy Level
Not Available   
94,170.00 kJ/mol   
2

16th Energy Level
Not Available   
102,300.00 kJ/mol   
3

17th Energy Level
Not Available   
112,700.00 kJ/mol   
4

18th Energy Level
Not Available   
121,600.00 kJ/mol   
5

19th Energy Level
Not Available   
130,700.00 kJ/mol   
6

20th Energy Level
Not Available   
143,400.00 kJ/mol   
8

21st Energy Level
Not Available   
151,440.00 kJ/mol   
8

Electrochemical Equivalent
3.07 g/amp-hr   
16
0.38 g/amp-hr   
99+

Electron Work Function
Not Available   
4.30 eV   
18

Other Chemical Properties
Ionization, Radioactive Isotopes   
Anti Corrosion, Ionization, Radioactive Isotopes   

Atomic Properties

Atomic Number
96   
22
23   
99+

Electron Configuration
[Rn] 5f7 6d1 7s2   
[Ar] 3d3 4s2   

Crystal Structure
Double Hexagonal Close Packed (DHCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
DHCP-Crystal-Structure-of-Curium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
96   
22
23   
99+

Number of Neutrons
151   
10
28   
99+

Number of Electrons
96   
22
23   
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm   
20
134.00 pm   
99+

Covalent Radius
169.00 pm   
26
153.00 pm   
33

Van der Waals Radius
200.00 pm   
28
200.00 pm   
28

Atomic Weight
247.00 amu   
18
50.94 amu   
99+

Atomic Volume
18.28 cm3/mol   
26
8.78 cm3/mol   
99+

Adjacent Atomic Numbers
  
  

Previous Element
Americium
  
Titanium
  

Next Element
Berkelium
  
Chromium
  

Valence Electron Potential
44.50 (-eV)   
38
120.00 (-eV)   
6

Lattice Constant
Not Available   
303.00 pm   
99+

Lattice Angles
NA   
π/2, π/2, π/2   

Lattice C/A Ratio
Not Available   
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
13.51 g/cm3   
25
6.00 g/cm3   
99+

Density When Liquid (at m.p.)
13.85 g/cm3   
10
5.50 g/cm3   
99+

Tensile Strength
Not Available   
800.00 MPa   
6

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 2000 K
Not Available   
0.23 (Pa)   
16

Elasticity properties
  
  

Shear Modulus
Not Available   
47.00 GPa   
16

Bulk Modulus
Not Available   
160.00 GPa   
11

Young's Modulus
Not Available   
128.00 GPa   
15

Poisson Ratio
Not Available   
0.37   
7

Other Mechanical Properties
Unknown   
Ductile, Malleable   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
13.51   
17
5.96   
99+

Magnetic Ordering
Antiferromagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Unknown   
Superconductor   

Resistivity
1.25 nΩ·m   
99+
197.00 nΩ·m   
19

Electrical Conductivity
Not Available   
0.05 106/cm Ω   
35

Electron Affinity
Not Available   
50.60 kJ/mol   
20

Thermal Properties

Specific Heat
Not Available   
0.49 J/(kg K)   
10

Molar Heat Capacity
Not Available   
24.89 J/mol·K   
99+

Thermal Conductivity
Not Available   
30.70 W/m·K   
39

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
Not Available   
8.40 µm/(m·K)   
99+

Enthalpy
  
  

Enthalpy of Vaporization
Not Available   
458.60 kJ/mol   
14

Enthalpy of Fusion
15.00 kJ/mol   
21
17.57 kJ/mol   
14

Enthalpy of Atomization
Not Available   
514.60 kJ/mol   
13

Standard Molar Entropy
Not Available   
28.90 J/mol.K   
99+

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