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Manganese Rutherfordium Comparison


Rutherfordium Manganese comparison


Periodic Table

Symbol
Mn   
Rf   

Group Number
7   
11
4   
14

Period Number
4   
7   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7439965   
99+
53850365   
13

Space Group Name
I_ 43m   
Not Available   

Space Group Number
217.00   
4
Not Available   

Facts

Interesting Facts
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   

History
  
  

Who Discovered
Johann Gottlieb Gahn   
Joint Institute for Nuclear Research   

Discovery
In 1774   
In 1964   

Abundance
  
  

Abundance In Universe
8 * 10-4 %   
8
Not Available   

Abundance In Sun
~0.001 %   
8
~-9999 %   

Abundance In Meteorites
0.27 %   
8
Not Available   

Abundance In Earth's Crust
0.11 %   
8
Not Available   

Abundance In Oceans
0.00 %   
13
Not Available   

Abundance In Humans
0.00 %   
13
Not Available   

Uses

Uses & Benefits
  • This metal is very brittle hence it mostly not used as a pure metal, but its alloys are very useful
  • Its alloy Manganese steel is extremely strong and used in railway tracks, safes, prison bars and riffle barrels.
  
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  

Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Alloys, Research Purposes   

Biological Properties
  
  

Toxicity
Toxic   
Unknown   

Present in Human Body
Yes   
No   

In Blood
0.08 Blood/mg dm-3   
14
0.00 Blood/mg dm-3   
37

In Bone
100.00 p.p.m.   
8
0.00 p.p.m.   
36

Physical Properties

Melting Point
1,245.00 °C   
37
2,100.00 °C   
11

Boiling Point
1,962.00 °C   
99+
5,500.00 °C   
3

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silver   
Unknown   

Luster
Metallic   
Unknown Luster   

Hardness
  
  

Mohs Hardness
6.00   
6
Not Available   

Brinell Hardness
196.00 MPa   
99+
Not Available   

Speed of Sound
5,150.00 m/s   
7
Not Available   

Optical Properties
  
  

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
Mn   
Rf   

Isotopes
  
  

Known Isotopes
21   
18
13   
26

Electronegativity
  
  

Pauling Electronegativity
1.55   
25
Not Available   

Sanderson Electronegativity
2.20   
7
Not Available   

Allred Rochow Electronegativity
1.60   
9
Not Available   

Allen Electronegativity
1.75   
15
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.45   
29
Not Available   

Ionization Energies
  
  

1st Energy Level
717.30 kJ/mol   
30
579.90 kJ/mol   
99+

2nd Energy Level
1,509.00 kJ/mol   
39
1,389.40 kJ/mol   
99+

3rd Energy Level
3,248.00 kJ/mol   
21
2,296.40 kJ/mol   
99+

4th Energy Level
4,940.00 kJ/mol   
20
3,077.90 kJ/mol   
99+

5th Energy Level
6,990.00 kJ/mol   
17
Not Available   

6th Energy Level
9,220.00 kJ/mol   
16
Not Available   

7th Energy level
11,500.00 kJ/mol   
16
Not Available   

8th Energy Level
18,770.00 kJ/mol   
5
Not Available   

9th Energy Level
21,400.00 kJ/mol   
6
Not Available   

10th Energy Level
23,960.00 kJ/mol   
9
Not Available   

11th Energy Level
27,590.00 kJ/mol   
10
Not Available   

12th Energy Level
30,330.00 kJ/mol   
10
Not Available   

13th Energy Level
33,150.00 kJ/mol   
11
Not Available   

14th Energy Level
38,880.00 kJ/mol   
10
Not Available   

15th Energy Level
41,987.00 kJ/mol   
13
Not Available   

16th Energy Level
109,480.00 kJ/mol   
1
Not Available   

17th Energy Level
118,100.00 kJ/mol   
2
Not Available   

18th Energy Level
127,100.00 kJ/mol   
3
Not Available   

19th Energy Level
138,600.00 kJ/mol   
4
Not Available   

20th Energy Level
148,500.00 kJ/mol   
6
Not Available   

21st Energy Level
158,600.00 kJ/mol   
6
Not Available   

22nd Energy Level
172,500.00 kJ/mol   
5
Not Available   

23rd Energy Level
181,380.00 kJ/mol   
5
Not Available   

Electrochemical Equivalent
0.29 g/amp-hr   
99+
Not Available   

Electron Work Function
4.10 eV   
25
Not Available   

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

Atomic Properties

Atomic Number
25   
99+
104   
14

Electron Configuration
[Ar] 3d5 4s2   
[Rn] 5f14 6d2 7s2   

Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
25   
99+
104   
14

Number of Neutrons
30   
99+
157   
7

Number of Electrons
25   
99+
104   
14

Radius of an Atom
  
  

Atomic Radius
127.00 pm   
99+
150.00 pm   
33

Covalent Radius
139.00 pm   
99+
157.00 pm   
31

Van der Waals Radius
200.00 pm   
28
Not Available   

Atomic Weight
54.94 amu   
99+
267.00 amu   
11

Atomic Volume
1.39 cm3/mol   
99+
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Chromium
  
Lawrencium
  

Next Element
Iron
  
Dubnium
  

Valence Electron Potential
220.00 (-eV)   
2
Not Available   

Lattice Constant
891.25 pm   
1
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
7.21 g/cm3   
99+
23.20 g/cm3   
8

Density When Liquid (at m.p.)
5.95 g/cm3   
99+
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
12
Not Available   

Elasticity properties
  
  

Bulk Modulus
120.00 GPa   
14
Not Available   

Young's Modulus
198.00 GPa   
12
Not Available   

Poisson Ratio
Not Available   
Not Available   

Other Mechanical Properties
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
7.21   
99+
Not Available   

Magnetic Ordering
Paramagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
1.44 nΩ·m   
99+
Not Available   

Electrical Conductivity
0.01 106/cm Ω   
99+
Not Available   

Electron Affinity
0.00 kJ/mol   
40
Not Available   

Thermal Properties

Specific Heat
0.48 J/(kg K)   
11
Not Available   

Molar Heat Capacity
26.32 J/mol·K   
29
Not Available   

Thermal Conductivity
7.81 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
21.70 µm/(m·K)   
21
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
219.70 kJ/mol   
99+
Not Available   

Enthalpy of Fusion
14.64 kJ/mol   
23
Not Available   

Enthalpy of Atomization
280.30 kJ/mol   
38
Not Available   

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

Summary >>
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