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Rutherfordium vs Manganese

Rutherfordium
Manganese
Manganese vs Rutherfordium


Periodic Table
Symbol
Rf   
Mn   
Group Number
4   
14
7   
11
Period Number
7   
4   
Block
d block   
d block   
Element Family
Transition Metal   
Transition Metal   
CAS Number
53850365   
13
7439965   
99+
Space Group Name
Not Available   
I_ 43m   
Space Group Number
Not Available   
217.00   
4
Facts
Interesting Facts
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
  
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  
Sources
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Joint Institute for Nuclear Research   
Johann Gottlieb Gahn   
Discovery
In 1964   
In 1774   
Abundance
  
  
Abundance In Universe
Not Available   
8 * 10-4 %   
8
Abundance In Sun
~-9999 %   
~0.001 %   
8
Abundance In Meteorites
Not Available   
0.27 %   
8
Abundance In Earth's Crust
Not Available   
0.11 %   
8
Abundance In Oceans
Not Available   
0.00 %   
13
Abundance In Humans
Not Available   
0.00 %   
13
Uses
Uses & Benefits
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
NA   
Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Research Purposes   
Alloys   
Biological Properties
  
  
Toxicity
Unknown   
Toxic   
Present in Human Body
No   
Yes   
In Blood
0.00 Blood/mg dm-3   
37
0.08 Blood/mg dm-3   
14
In Bone
0.00 p.p.m.   
36
100.00 p.p.m.   
8
Physical Properties
Melting Point
2,100.00 °C   
11
1,245.00 °C   
37
Boiling Point
5,500.00 °C   
3
1,962.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Unknown   
Silver   
Luster
Unknown Luster   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
6.00   
6
Brinell Hardness
Not Available   
196.00 MPa   
99+
Speed of Sound
Not Available   
5,150.00 m/s   
7
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
Rf   
Mn   
Isotopes
  
  
Known Isotopes
13   
26
21   
18
Electronegativity
  
  
Pauling Electronegativity
Not Available   
1.55   
25
Sanderson Electronegativity
Not Available   
2.20   
7
Allred Rochow Electronegativity
Not Available   
1.60   
9
Allen Electronegativity
Not Available   
1.75   
15
Electropositivity
  
  
Pauling Electropositivity
Not Available   
2.45   
29
Ionization Energies
  
  
1st Energy Level
579.90 kJ/mol   
99+
717.30 kJ/mol   
30
2nd Energy Level
1,389.40 kJ/mol   
99+
1,509.00 kJ/mol   
39
3rd Energy Level
2,296.40 kJ/mol   
99+
3,248.00 kJ/mol   
21
4th Energy Level
3,077.90 kJ/mol   
99+
4,940.00 kJ/mol   
20
5th Energy Level
Not Available   
6,990.00 kJ/mol   
17
6th Energy Level
Not Available   
9,220.00 kJ/mol   
16
7th Energy level
Not Available   
11,500.00 kJ/mol   
16
8th Energy Level
Not Available   
18,770.00 kJ/mol   
5
9th Energy Level
Not Available   
21,400.00 kJ/mol   
6
10th Energy Level
Not Available   
23,960.00 kJ/mol   
9
11th Energy Level
Not Available   
27,590.00 kJ/mol   
10
12th Energy Level
Not Available   
30,330.00 kJ/mol   
10
13th Energy Level
Not Available   
33,150.00 kJ/mol   
11
14th Energy Level
Not Available   
38,880.00 kJ/mol   
10
15th Energy Level
Not Available   
41,987.00 kJ/mol   
13
16th Energy Level
Not Available   
109,480.00 kJ/mol   
1
17th Energy Level
Not Available   
118,100.00 kJ/mol   
2
18th Energy Level
Not Available   
127,100.00 kJ/mol   
3
19th Energy Level
Not Available   
138,600.00 kJ/mol   
4
20th Energy Level
Not Available   
148,500.00 kJ/mol   
6
21st Energy Level
Not Available   
158,600.00 kJ/mol   
6
22nd Energy Level
Not Available   
172,500.00 kJ/mol   
5
23rd Energy Level
Not Available   
181,380.00 kJ/mol   
5
Electrochemical Equivalent
Not Available   
0.29 g/amp-hr   
99+
Electron Work Function
Not Available   
4.10 eV   
25
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity   
Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
104   
14
25   
99+
Electron Configuration
[Rn] 5f14 6d2 7s2   
[Ar] 3d5 4s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
BCC-Crystal-Structure-.jpg#100   
Atom
  
  
Number of Protons
104   
14
25   
99+
Number of Neutrons
157   
7
30   
99+
Number of Electrons
104   
14
25   
99+
Radius of an Atom
  
  
Atomic Radius
150.00 pm   
33
127.00 pm   
99+
Covalent Radius
157.00 pm   
31
139.00 pm   
99+
Van der Waals Radius
Not Available   
200.00 pm   
28
Atomic Weight
267.00 amu   
11
54.94 amu   
99+
Atomic Volume
Not Available   
1.39 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Lawrencium
  
Chromium
  
Next Element
Dubnium
  
Iron
  
Valence Electron Potential
Not Available   
220.00 (-eV)   
2
Lattice Constant
Not Available   
891.25 pm   
1
Lattice Angles
NA   
π/2, π/2, π/2   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
23.20 g/cm3   
8
7.21 g/cm3   
99+
Density When Liquid (at m.p.)
Not Available   
5.95 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
12
Elasticity properties
  
  
Bulk Modulus
Not Available   
120.00 GPa   
14
Young's Modulus
Not Available   
198.00 GPa   
12
Poisson Ratio
Not Available   
Not Available   
Other Mechanical Properties
Unknown   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available   
7.21   
99+
Magnetic Ordering
Unknown   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Unknown   
Conductor   
Resistivity
Not Available   
1.44 nΩ·m   
99+
Electrical Conductivity
Not Available   
0.01 106/cm Ω   
99+
Electron Affinity
Not Available   
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
Not Available   
0.48 J/(kg K)   
11
Molar Heat Capacity
Not Available   
26.32 J/mol·K   
29
Thermal Conductivity
Not Available   
7.81 W/m·K   
99+
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
Not Available   
21.70 µm/(m·K)   
21
Enthalpy
  
  
Enthalpy of Vaporization
Not Available   
219.70 kJ/mol   
99+
Enthalpy of Fusion
Not Available   
14.64 kJ/mol   
23
Enthalpy of Atomization
Not Available   
280.30 kJ/mol   
38
Standard Molar Entropy
Not Available   
32.00 J/mol.K   
99+
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