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Berkelium Vanadium Comparison


Vanadium Berkelium comparison


Periodic Table

Symbol
Bk  
V  

Group Number
14  
4
5  
13

Period Number
7  
4  

Block
f block  
d block  

Element Family
Actinide  
Transition Metal  

CAS Number
7440406  
99+
7440622  
27

Space Group Name
P63/mmc  
Im_ 3m  

Space Group Number
194.00  
7
229.00  
2

Facts

Interesting Facts
  • X-ray Diffraction- different compounds of Berkelium metals are identified using it.
    Commercial uses of Berkelium metal are not yet discovered.
  
  • 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 Americium with Alpha Particles.  
Found As a By-product, Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Lawrence Berkeley National Laboratory  
Andrés Manuel del Río  

Discovery
In 1949  
In 1801  

Abundance
  
  

Abundance In Universe
0.00 %  
36
0.00 %  
11

Abundance In Sun
0.00 %  
30
0.00 %  
13

Abundance In Meteorites
0.00 %  
99+
0.01 %  
14

Abundance In Earth's Crust
0.00 %  
99+
0.02 %  
12

Abundance In Oceans
-  
0.00 %  
14

Abundance In Humans
0.00 %  
24
0.00 %  
19

Uses

Uses & Benefits
  • This metal is very rare and has no commercial uses.
  
  • 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
-  
Aerospace Industry, Automobile Industry, Chemical Industry  

Medical Uses
-  
-  

Other Uses
-  
Alloys  

Biological Properties
  
  

Toxicity
-  
Toxic  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
39

In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
36

Physical

Melting Point
986.00 °C  
99+
1,890.00 °C  
13

Boiling Point
2,627.00 °C  
99+
3,380.00 °C  
21

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silver  
Blue-Silver Grey  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
6.00  
6
6.70  
4

Brinell Hardness
260.00 MPa  
99+
600.00 MPa  
24

Vickers Hardness
1,070.00 MPa  
16
628.00 MPa  
25

Speed of Sound
2,560.00 m/s  
99+
4,560.00 m/s  
22

Optical Properties
  
  

Refractive Index
1.30  
99+
2.05  
13

Reflectivity
61.00 %  
22
61.00 %  
22

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Bk  
V  

Isotopes
  
  

Known Isotopes
14  
25
22  
17

Electronegativity
  
  

Pauling Electronegativity
1.30  
33
1.63  
21

Sanderson Electronegativity
1.30  
25
1.39  
21

Allred Rochow Electronegativity
1.20  
28
1.45  
17

Mulliken-Jaffe Electronegativity
1.30  
33
1.63  
21

Allen Electronegativity
2.70  
1
1.53  
29

Electropositivity
  
  

Pauling Electropositivity
2.70  
22
2.37  
34

Ionization Energies
  
  

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

2nd Energy Level
1,186.00 kJ/mol  
99+
1,414.00 kJ/mol  
99+

3rd Energy Level
2,152.00 kJ/mol  
99+
2,830.00 kJ/mol  
36

4th Energy Level
3,434.00 kJ/mol  
99+
4,507.00 kJ/mol  
35

5th Energy Level
6,010.00 kJ/mol  
99+
6,298.70 kJ/mol  
38

6th Energy Level
6,010.00 kJ/mol  
99+
12,363.00 kJ/mol  
6

7th Energy level
6,010.00 kJ/mol  
99+
14,530.00 kJ/mol  
5

8th Energy Level
6,010.00 kJ/mol  
99+
16,730.00 kJ/mol  
7

9th Energy Level
6,010.00 kJ/mol  
99+
19,860.00 kJ/mol  
7

10th Energy Level
6,010.00 kJ/mol  
99+
22,240.00 kJ/mol  
12

11th Energy Level
6,010.00 kJ/mol  
99+
24,670.00 kJ/mol  
15

12th Energy Level
60,100.00 kJ/mol  
16
29,730.00 kJ/mol  
34

13th Energy Level
6,010.00 kJ/mol  
99+
32,446.00 kJ/mol  
12

14th Energy Level
6,010.00 kJ/mol  
32
86,450.00 kJ/mol  
1

15th Energy Level
60,100.00 kJ/mol  
99+
94,170.00 kJ/mol  
3

16th Energy Level
60,100.00 kJ/mol  
33
102,300.00 kJ/mol  
3

17th Energy Level
601.00 kJ/mol  
99+
112,700.00 kJ/mol  
4

18th Energy Level
6,010.00 kJ/mol  
99+
121,600.00 kJ/mol  
5

19th Energy Level
601.00 kJ/mol  
99+
130,700.00 kJ/mol  
6

20th Energy Level
601.00 kJ/mol  
99+
143,400.00 kJ/mol  
8

21st Energy Level
6,010.00 kJ/mol  
18
151,440.00 kJ/mol  
8

22nd Energy Level
601.00 kJ/mol  
99+
650.00 kJ/mol  
32

23rd Energy Level
6,010.00 kJ/mol  
19
650.90 kJ/mol  
99+

24th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
34

25th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
36

26th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
35

27th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
36

28th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
99+

29th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
99+

30th Energy Level
601.00 kJ/mol  
99+
650.90 kJ/mol  
38

Electrochemical Equivalent
3.07 g/amp-hr  
19
0.38 g/amp-hr  
99+

Electron Work Function
4.90 eV  
12
4.30 eV  
25

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

Atomic

Atomic Number
97  
21
23  
99+

Electron Configuration
[Rn] 5f9 7s2  
[Ar] 3d3 4s2  

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

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

Atom
  
  

Number of Protons
97  
21
23  
99+

Number of Neutrons
150  
12
28  
99+

Number of Electrons
97  
21
23  
99+

Radius of an Atom
  
  

Atomic Radius
170.00 pm  
24
134.00 pm  
99+

Covalent Radius
170.00 pm  
27
153.00 pm  
35

Van der Waals Radius
244.00 pm  
14
200.00 pm  
35

Atomic Weight
247.00 amu  
18
50.94 amu  
99+

Atomic Volume
13.39 cm3/mol  
99+
8.78 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Curium
  
Titanium
  

Next Element
Chromium
  

Valence Electron Potential
45.50 (-eV)  
37
120.00 (-eV)  
6

Lattice Constant
341.60 pm  
99+
303.00 pm  
99+

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  

Lattice C/A Ratio
1.57  
38
1.70  
9

Mechanical

Density
  
  

Density At Room Temperature
14.78 g/cm3  
23
6.00 g/cm3  
99+

Density When Liquid (at m.p.)
13.25 g/cm3  
29
5.50 g/cm3  
99+

Tensile Strength
70.00 MPa  
31
800.00 MPa  
6

Viscosity
0.00  
25
0.00  
11

Vapor Pressure
  
  

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

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.23 (Pa)  
16

Elasticity properties
  
  

Shear Modulus
27.00 GPa  
34
47.00 GPa  
16

Bulk Modulus
13.00 GPa  
99+
160.00 GPa  
11

Young's Modulus
13.00 GPa  
99+
128.00 GPa  
17

Poisson Ratio
0.35  
9
0.37  
7

Other Mechanical Properties
-  
Ductile, Malleable  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
14.00  
25
5.96  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
13
0.00 H/m  
15

Susceptibility
0.00  
24
0.00  
8

Electrical Properties
  
  

Electrical Property
Conductor  
Superconductor  

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

Electrical Conductivity
0.10 106/cm Ω  
25
0.05 106/cm Ω  
40

Electron Affinity
0.00 kJ/mol  
99+
50.60 kJ/mol  
25

Thermal

Specific Heat
0.10 J/(kg K)  
99+
0.49 J/(kg K)  
10

Molar Heat Capacity
27.00 J/mol·K  
29
24.89 J/mol·K  
99+

Thermal Conductivity
10.00 W/m·K  
99+
30.70 W/m·K  
40

Critical Temperature
1,323.00 K  
99+
2,183.00 K  
15

Thermal Expansion
13.25 µm/(m·K)  
36
8.40 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
380.00 kJ/mol  
27
458.60 kJ/mol  
19

Enthalpy of Fusion
13.25 kJ/mol  
31
17.57 kJ/mol  
14

Enthalpy of Atomization
601.00 kJ/mol  
11
514.60 kJ/mol  
17

Standard Molar Entropy
52.00 J/mol.K  
37
28.90 J/mol.K  
99+

Summary >>
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