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Neptunium
Neptunium

Rutherfordium
Rutherfordium



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Neptunium
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Neptunium vs Rutherfordium

1 Periodic Table
1.1 Symbol
Np
Rf
1.2 Group Number
Tennessine
Not Available
Rank: N/A (Overall)
4
Rank: 14 (Overall)
Gadolinium
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1.3 Period Number
Uranium
7
Rank: 1 (Overall)
7
Rank: 1 (Overall)
Lithium
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1.4 Block
f block
d block
1.5 Element Family
Actinide
Transition Metal
1.6 CAS Number
Roentgenium
7439998
Rank: 79 (Overall)
53850365
Rank: 13 (Overall)
Aluminium
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1.7 Space Group Name
Pnma
Not Available
1.8 Space Group Number
Sodium
62.00
Rank: 11 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
ADD ⊕
2 Facts
2.1 Interesting Facts
Not Available
  • Rutherfordium does not occur in nature as it is a synthetic element.
  • Till date Rutherfordium metal has 15 radioisotopes created synthetically.
2.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Bombarding Plutonium with Accelerated 113 to 115 MeV Neon Ions, Synthetically Produced
2.3 History
2.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Joint Institute for Nuclear Research
2.3.2 Discovery
In 1940
In 1964
2.4 Abundance
2.4.1 Abundance In Universe
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Thallium
ADD ⊕
2.4.2 Abundance In Sun
Iron
~-9999 %
Rank: N/A (Overall)
~-9999 %
Rank: N/A (Overall)
Beryllium
ADD ⊕
2.4.3 Abundance In Meteorites
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Gold
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2.4.4 Abundance In Earth's Crust
Aluminium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Radium
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2.4.5 Abundance In Oceans
Sodium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Protactinium
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2.4.6 Abundance In Humans
Calcium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Radium
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3 Uses
3.1 Uses & Benefits
  • Currently known uses of Neptunium metal are limited to research purpose only.
  • Neptunium’s isotope neptunium-237 is used as a neutron detectors.
  • Currently known uses of Rutherfordium metal are limited to research purpose only.
3.1.1 Industrial Uses
NA
NA
3.1.2 Medical Uses
NA
NA
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys, Research Purposes
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Unknown
3.2.2 Present in Human Body
7% Actinide Series Metals have it !
60% Transition Metals Metals have it !
3.2.3 In Blood
Sodium
0.00 Blood/mg dm-3
Rank: 37 (Overall)
0.00 Blood/mg dm-3
Rank: 37 (Overall)
Plutonium
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3.2.4 In Bone
Calcium
0.00 p.p.m.
Rank: 36 (Overall)
0.00 p.p.m.
Rank: 36 (Overall)
Plutonium
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4 Physical
4.1 Melting Point
Tungsten
640.00 °C
Rank: 62 (Overall)
2,100.00 °C
Rank: 11 (Overall)
Francium
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4.2 Boiling Point
Tungsten
3,902.00 °C
Rank: 13 (Overall)
5,500.00 °C
Rank: 3 (Overall)
Flerovium
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4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
Unknown
4.3.3 Luster
Metallic
Unknown Luster
4.4 Hardness
4.4.1 Mohs Hardness
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.2 Brinell Hardness
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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4.4.3 Vickers Hardness
Tungsten
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Palladium
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4.5 Speed of Sound
Technetium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Thallium
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4.6 Optical Properties
4.6.1 Refractive Index
Palladium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
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4.6.2 Reflectivity
Silver
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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4.7 Allotropes
No Actinide Series Metals has it !
6% Transition Metals Metals have it !
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
Np
Rf
5.2 Isotopes
5.2.1 Known Isotopes
Palladium
20
Rank: 19 (Overall)
13
Rank: 26 (Overall)
Tennessine
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5.3 Electronegativity
5.3.1 Pauling Electronegativity
Gold
1.36
Rank: 29 (Overall)
Not Available
Rank: N/A (Overall)
Francium
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5.3.2 Sanderson Electronegativity
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.3 Allred Rochow Electronegativity
Gallium
1.22
Rank: 26 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.4 Mulliken-Jaffe Electronegativity
Polonium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.3.5 Allen Electronegativity
Berkelium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
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5.4 Electropositivity
5.4.1 Pauling Electropositivity
Francium
2.64
Rank: 25 (Overall)
Not Available
Rank: N/A (Overall)
Gold
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5.5 Ionization Energies
5.5.1 1st Energy Level
Chromium
604.50 kJ/mol
Rank: 50 (Overall)
579.90 kJ/mol
Rank: 63 (Overall)
Cesium
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5.5.2 2nd Energy Level
Chromium
1,128.00 kJ/mol
Rank: 72 (Overall)
1,389.40 kJ/mol
Rank: 49 (Overall)
Ruthenium
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5.5.3 3rd Energy Level
Chromium
1,997.00 kJ/mol
Rank: 74 (Overall)
2,296.40 kJ/mol
Rank: 56 (Overall)
Osmium
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5.5.4 4th Energy Level
Chromium
3,242.00 kJ/mol
Rank: 62 (Overall)
3,077.90 kJ/mol
Rank: 65 (Overall)
Thorium
ADD ⊕
5.5.5 5th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Dubnium
ADD ⊕
5.5.6 6th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Seaborgium
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5.5.7 7th Energy level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bohrium
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5.5.8 8th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Hassium
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5.5.9 9th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.10 10th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Strontium
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5.5.11 11th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Yttrium
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5.5.12 12th Energy Level
Magnesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.13 13th Energy Level
Titanium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.14 14th Energy Level
Vanadium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.15 15th Energy Level
Chromium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Manganese
ADD ⊕
5.5.16 16th Energy Level
Manganese
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Iron
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5.5.17 17th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cobalt
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5.5.18 18th Energy Level
Cobalt
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Nickel
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5.5.19 19th Energy Level
Nickel
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Copper
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5.5.20 20th Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.21 21st Energy Level
Zinc
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.22 22nd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.23 23rd Energy Level
Copper
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
ADD ⊕
5.5.24 24th Energy Level
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
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5.5.25 25th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.26 26th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.27 27th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.28 28th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.29 29th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.5.30 30th Energy Level
Molybdenum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Molybdenum
5.6 Electrochemical Equivalent
Francium
1.77 g/amp-hr
Rank: 39 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
ADD ⊕
5.7 Electron Work Function
Platinum
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
ADD ⊕
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Radioactivity
6 Atomic
6.1 Atomic Number
Tennessine
93
Rank: 25 (Overall)
104
Rank: 14 (Overall)
Lithium
ADD ⊕
6.2 Electron Configuration
[Rn] 5f4 6d1 7s2
[Rn] 5f14 6d2 7s2
6.3 Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
Tennessine
93
Rank: 25 (Overall)
104
Rank: 14 (Overall)
Lithium
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6.4.2 Number of Neutrons
Flerovium
144
Rank: 14 (Overall)
157
Rank: 7 (Overall)
Lithium
ADD ⊕
6.4.3 Number of Electrons
Tennessine
93
Rank: 25 (Overall)
104
Rank: 14 (Overall)
Lithium
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6.5 Radius of an Atom
6.5.1 Atomic Radius
Cesium
155.00 pm
Rank: 30 (Overall)
150.00 pm
Rank: 33 (Overall)
Beryllium
ADD ⊕
6.5.2 Covalent Radius
Francium
190.00 pm
Rank: 18 (Overall)
157.00 pm
Rank: 31 (Overall)
Beryllium
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6.5.3 Van der Waals Radius
Francium
221.00 pm
Rank: 22 (Overall)
Not Available
Rank: N/A (Overall)
Zinc
ADD ⊕
6.6 Atomic Weight
Tennessine
237.00 amu
Rank: 22 (Overall)
267.00 amu
Rank: 11 (Overall)
Lithium
ADD ⊕
6.7 Atomic Volume
Cesium
11.62 cm3/mol
Rank: 43 (Overall)
Not Available
Rank: N/A (Overall)
Manganese
ADD ⊕
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
Platinum
96.00 (-eV)
Rank: 9 (Overall)
Not Available
Rank: N/A (Overall)
Francium
ADD ⊕
6.10 Lattice Constant
Manganese
666.30 pm
Rank: 3 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
ADD ⊕
6.11 Lattice Angles
π/2, π/2, π/2
NA
6.12 Lattice C/A Ratio
Cadmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
ADD ⊕
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
Hassium
19.38 g/cm3
Rank: 14 (Overall)
23.20 g/cm3
Rank: 8 (Overall)
Lithium
ADD ⊕
7.1.2 Density When Liquid (at m.p.)
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Lithium
ADD ⊕
7.2 Tensile Strength
Iron
125.00 MPa
Rank: 14 (Overall)
Not Available
Rank: N/A (Overall)
Indium
ADD ⊕
7.3 Viscosity
Mercury
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
Strontium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cerium
ADD ⊕
7.4.2 Vapor Pressure at 2000 K
Chromium
0.11 (Pa)
Rank: 17 (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
ADD ⊕
7.5 Elasticity properties
7.5.1 Shear Modulus
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Potassium
ADD ⊕
7.5.2 Bulk Modulus
Osmium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
ADD ⊕
7.5.3 Young's Modulus
Iridium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Cesium
ADD ⊕
7.6 Poisson Ratio
Gallium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
ADD ⊕
7.7 Other Mechanical Properties
Ductile
Unknown
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
Cobalt
20.25
Rank: 6 (Overall)
Not Available
Rank: N/A (Overall)
Lithium
ADD ⊕
8.1.2 Magnetic Ordering
Paramagnetic
Unknown
8.1.3 Permeability
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.1.4 Susceptibility
Iron
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Bismuth
ADD ⊕
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Unknown
8.2.2 Resistivity
Mercury
1.22 nΩ·m
Rank: 59 (Overall)
Not Available
Rank: N/A (Overall)
Thallium
ADD ⊕
8.2.3 Electrical Conductivity
Silver
0.01 106/cm Ω
Rank: 61 (Overall)
Not Available
Rank: N/A (Overall)
Plutonium
ADD ⊕
8.2.4 Electron Affinity
Gold
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
ADD ⊕
9 Thermal
9.1 Specific Heat
Lithium
0.12 J/(kg K)
Rank: 40 (Overall)
Not Available
Rank: N/A (Overall)
Americium
ADD ⊕
9.2 Molar Heat Capacity
Americium
29.46 J/mol·K
Rank: 8 (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
ADD ⊕
9.3 Thermal Conductivity
Silver
6.30 W/m·K
Rank: 70 (Overall)
Not Available
Rank: N/A (Overall)
Neptunium
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9.4 Critical Temperature
Lithium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Ytterbium
ADD ⊕
9.5 Thermal Expansion
Cesium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Tungsten
ADD ⊕
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
Tungsten
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Zinc
ADD ⊕
9.6.2 Enthalpy of Fusion
Tungsten
3.20 kJ/mol
Rank: 56 (Overall)
Not Available
Rank: N/A (Overall)
Cesium
ADD ⊕
9.6.3 Enthalpy of Atomization
Tungsten
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Mercury
ADD ⊕
9.7 Standard Molar Entropy
Protactinium
Not Available
Rank: N/A (Overall)
Not Available
Rank: N/A (Overall)
Beryllium
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