1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.6 Block
1.7 Element Family
Transition Metal
Transition Metal
1.8 CAS Number
744058653850365
7429905
54386242
2.5 Space Group Name
2.6 Space Group Number
3 Facts
3.1 Interesting Facts
- Hafnium metal is highly reactive, hence not found free in nature.
- Hafnium metal as predicated after Mendeleev finished his periodic table.
- Rutherfordium does not occur in nature as it is a synthetic element.
- Till date Rutherfordium metal has 15 radioisotopes created synthetically.
3.2 Sources
By-product Zirconium Refining
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced
3.3 History
3.3.1 Who Discovered
Dirk Coster and George de Hevesy
Joint Institute for Nuclear Research
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~0.0000001 %~-9999 %
1E-08
0.1
3.4.5 Abundance In Meteorites
3.4.7 Abundance In Earth's Crust
3.4.9 Abundance In Oceans
4.1.1 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- It has an ability to absorb neutrons and hence it is used to make control rods in nuclear submarines. And this metal is also used in Plasma welding torches.
-
It alloys with iron, titanium and niobium are very useful.
- Currently known uses of Rutherfordium metal are limited to research purpose only.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
Alloys, In Nuclear Reactors, Nuclear Research, Research Purposes
Alloys, Research Purposes
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
NA0.00 Blood/mg dm-3
0
1970
5.2.5 In Bone
7 Physical
7.1 Melting Point
2,150.00 °C2,100.00 °C
27
3410
7.3 Boiling Point
5,400.00 °C5,500.00 °C
147
5660
7.6 Appearance
7.6.1 Physical State
7.6.2 Color
7.6.3 Luster
7.7 Hardness
7.7.1 Mohs Hardness
7.7.3 Brinell Hardness
1.2.1 Vickers Hardness
1.4 Speed of Sound
1.9 Optical Properties
1.9.1 Refractive Index
1.10.2 Reflectivity
1.13 Allotropes
1.13.1 α Allotropes
Not Available
Not Available
1.13.2 β Allotropes
Not Available
Not Available
1.13.3 γ Allotropes
Not Available
Not Available
2 Chemical
2.1 Chemical Formula
2.2 Isotopes
2.2.1 Known Isotopes
4.5 Electronegativity
4.5.1 Pauling Electronegativity
4.6.2 Sanderson Electronegativity
4.6.7 Allred Rochow Electronegativity
4.6.9 Mulliken-Jaffe Electronegativity
4.6.12 Allen Electronegativity
4.8 Electropositivity
4.8.1 Pauling Electropositivity
4.10 Ionization Energies
4.10.1 1st Energy Level
658.50 kJ/mol579.90 kJ/mol
375.7
26130
5.2.4 2nd Energy Level
1,440.00 kJ/mol1,389.40 kJ/mol
710.2162
28750
5.2.8 3rd Energy Level
2,250.00 kJ/mol2,296.40 kJ/mol
1600
34230
6.1.2 4th Energy Level
3,216.00 kJ/mol3,077.90 kJ/mol
2780
37066
6.1.5 5th Energy Level
6.2.1 6th Energy Level
6.2.3 7th Energy level
6.4.3 8th Energy Level
6.4.6 9th Energy Level
6.4.8 10th Energy Level
6.4.12 11th Energy Level
6.5.2 12th Energy Level
6.6.3 13th Energy Level
6.6.8 14th Energy Level
7.2.4 15th Energy Level
7.3.2 16th Energy Level
7.4.1 17th Energy Level
7.5.1 18th Energy Level
8.4.2 19th Energy Level
8.4.5 20th Energy Level
8.4.7 21st Energy Level
8.5.2 22nd Energy Level
8.5.4 23rd Energy Level
8.7.1 24th Energy Level
8.7.2 25th Energy Level
8.9.2 26th Energy Level
8.12.1 27th Energy Level
8.14.2 28th Energy Level
9.1.2 29th Energy Level
9.1.5 30th Energy Level
9.3 Electrochemical Equivalent
1.66 g/amp-hrNA
0.16812
8.3209
9.6 Electron Work Function
9.8 Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Xe] 4f14 5d2 6s2
[Rn] 5f14 6d2 7s2
10.3 Crystal Structure
Hexagonal Close Packed (HCP)
Hexagonal Close Packed (HCP)
10.4.1 Crystal Lattice
10.5 Atom
10.5.1 Number of Protons
11.1.4 Number of Neutrons
11.2.3 Number of Electrons
11.3 Radius of an Atom
11.3.1 Atomic Radius
159.00 pm150.00 pm
112
265
12.1.1 Covalent Radius
175.00 pm157.00 pm
96
260
12.2.2 Van der Waals Radius
12.5 Atomic Weight
178.49 amu267.00 amu
6.94
294
12.7 Atomic Volume
13.60 cm3/molNA
1.39
71.07
12.9 Adjacent Atomic Numbers
12.9.1 Previous Element
12.9.2 Next Element
12.10 Valence Electron Potential
12.12 Lattice Constant
319.64 pmNA
228.58
891.25
12.13 Lattice Angles
12.14 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
13.31 g/cm323.20 g/cm3
0.534
40.7
13.1.3 Density When Liquid (at m.p.)
13.2 Tensile Strength
13.3 Viscosity
13.4 Vapor Pressure
13.4.1 Vapor Pressure at 1000 K
13.4.3 Vapor Pressure at 2000 K
13.5 Elasticity properties
13.5.1 Shear Modulus
13.5.4 Bulk Modulus
13.5.7 Young's Modulus
13.7 Poisson Ratio
13.8 Other Mechanical Properties
Ductile, Malleable
Unknown
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
14.2.2 Permeability
15.1.1 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
15.5.2 Electrical Conductivity
0.03 106/cm ΩNA
0.00666
0.63
15.5.4 Electron Affinity
16 Thermal
16.1 Specific Heat
16.3 Molar Heat Capacity
25.73 J/mol·KNA
16.443
62.7
16.4 Thermal Conductivity
1.3 Critical Temperature
1.6 Thermal Expansion
1.13 Enthalpy
1.13.1 Enthalpy of Vaporization
661.10 kJ/molNA
7.32
799.1
2.6.1 Enthalpy of Fusion
2.7.2 Enthalpy of Atomization
2.10 Standard Molar Entropy
43.60 J/mol.KNA
9.5
198.1