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Neptunium
Neptunium

Iron
Iron



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Neptunium
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Iron

Neptunium Iron Comparison

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1 Periodic Table
1.1 Symbol
Np
Fe
1.2 Group Number
NA8
Gadolinium Metal
0 17
1.3 Period Number
74
Lithium Metal
2 7
1.4 Block
f block
d block
1.5 Element Family
Actinide
Transition Metal
1.6 CAS Number
74399987439896
Aluminium Metal
7429905 54386242
1.7 Space Group Name
Pnma
Im_ 3m
1.8 Space Group Number
62.00229.00
Plutonium Metal
11 229
2 Facts
2.1 Interesting Facts
Not Available
  • Iron is not always magnetic in nature, its allotrope are ferromagnetic and the B allotrope is nonmagnetic.
  • The blood consists Iron in hemoglobin molecules to transfer Oxygen in the body.
2.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
Earth's crust, Found in Minerals
2.3 History
2.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Unknown
2.3.2 Discovery
In 1940
Before 5000 BC
2.4 Abundance
2.4.1 Abundance In Universe
NA1.1 * 10-1 %
Thallium Metal
5E-09 0.11
2.4.2 Abundance In Sun
~-9999 %~0.1 %
Beryllium Metal
1E-08 0.1
2.4.3 Abundance In Meteorites
NA22.00 %
Gold Metal
1.7E-07 22
2.4.4 Abundance In Earth's Crust
NA6.30 %
Radium Metal
9.9E-12 8.1
2.4.5 Abundance In Oceans
NA0.00 %
Protactinium Metal
2E-23 1.1
2.4.6 Abundance In Humans
NA0.01 %
Radium Metal
1E-13 1.4
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.
  • Iron metal alloy steel is used in the application of civil engineering and manufacturing.
  • Alloys of iron with nickel, vanadium, chromium, tungsten and manganese have very useful properties.
3.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
Pharmaceutical Industry, Surgical Instruments Manufacturing
3.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Alloys, Sculptures, Statues
3.2 Biological Properties
3.2.1 Toxicity
Toxic
Non Toxic
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3447.00 Blood/mg dm-3
Plutonium Metal
0 1970
3.2.4 In Bone
0.00 p.p.m.380.00 p.p.m.
Plutonium Metal
0 170000
4 Physical
4.1 Melting Point
640.00 °C1,535.00 °C
Francium Metal
27 3410
4.2 Boiling Point
3,902.00 °C2,750.00 °C
Flerovium Metal
147 5660
4.3 Appearance
4.3.1 Physical State
Solid
Solid
4.3.2 Color
Silver
Gray
4.3.3 Luster
Metallic
Metallic
4.4 Hardness
4.4.1 Mohs Hardness
NA4.00
Cesium Metal
0.2 8.5
4.4.2 Brinell Hardness
NA200.00 MPa
Cesium Metal
0.14 3490
4.4.3 Vickers Hardness
NA608.00 MPa
Palladium Metal
121 3430
4.5 Speed of Sound
NA5,120.00 m/s
Thallium Metal
818 16200
4.6 Optical Properties
4.6.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
4.6.2 Reflectivity
NA65.00 %
Molybdenum Metal
58 97
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Ferrite (alpha Iron)
4.7.2 β Allotropes
Not Available
beta Iron
4.7.3 γ Allotropes
Not Available
gamma Iron
5 Chemical
5.1 Chemical Formula
Np
Fe
5.2 Isotopes
5.2.1 Known Isotopes
2026
Tennessine Metal
0 38
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.361.83
Francium Metal
0.7 2.54
5.3.2 Sanderson Electronegativity
NA2.20
Cesium Metal
0.22 2.56
5.3.3 Allred Rochow Electronegativity
1.221.64
Cesium Metal
0.86 1.82
5.3.4 Mulliken-Jaffe Electronegativity
NANA
Cesium Metal
0.62 2.48
5.3.5 Allen Electronegativity
NA1.80
Cesium Metal
0.659 2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.642.17
Gold Metal
1.46 3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
604.50 kJ/mol762.50 kJ/mol
Cesium Metal
375.7 26130
5.5.2 2nd Energy Level
1,128.00 kJ/mol1,561.90 kJ/mol
Ruthenium Metal
710.2162 28750
5.5.3 3rd Energy Level
1,997.00 kJ/mol2,957.00 kJ/mol
Osmium Metal
1600 34230
5.5.4 4th Energy Level
3,242.00 kJ/mol5,290.00 kJ/mol
Thorium Metal
2780 37066
5.5.5 5th Energy Level
NA7,240.00 kJ/mol
Dubnium Metal
4305.2 97510
5.5.6 6th Energy Level
NA9,560.00 kJ/mol
Seaborgium Metal
5715.8 105800
5.5.7 7th Energy level
NA12,060.00 kJ/mol
Bohrium Metal
7226.8 114300
5.5.8 8th Energy Level
NA14,580.00 kJ/mol
Hassium Metal
8857.4 125300
5.5.9 9th Energy Level
NA22,540.00 kJ/mol
Yttrium Metal
14110 134700
5.5.10 10th Energy Level
NA25,290.00 kJ/mol
Strontium Metal
17100 144300
5.5.11 11th Energy Level
NA28,000.00 kJ/mol
Yttrium Metal
19900 169988
5.5.12 12th Energy Level
NA31,920.00 kJ/mol
Molybdenum Metal
22219 189368
5.5.13 13th Energy Level
NA34,830.00 kJ/mol
Molybdenum Metal
26930 76015
5.5.14 14th Energy Level
NA37,840.00 kJ/mol
Molybdenum Metal
29196 86450
5.5.15 15th Energy Level
NA44,100.00 kJ/mol
Manganese Metal
41987 97510
5.5.16 16th Energy Level
NA47,206.00 kJ/mol
Copper
47206 109480
5.5.17 17th Energy Level
NA122,200.00 kJ/mol
Cobalt Metal
52737 122200
5.5.18 18th Energy Level
NA131,000.00 kJ/mol
Nickel Metal
58570 134810
5.5.19 19th Energy Level
NA140,500.00 kJ/mol
Copper Metal
64702 148700
5.5.20 20th Energy Level
NA152,600.00 kJ/mol
Molybdenum Metal
80400 171200
5.5.21 21st Energy Level
NA163,000.00 kJ/mol
Molybdenum Metal
87000 179100
5.5.22 22nd Energy Level
NA173,600.00 kJ/mol
Molybdenum Metal
93400 184900
5.5.23 23rd Energy Level
NA188,100.00 kJ/mol
Molybdenum Metal
98420 198800
5.5.24 24th Energy Level
NA195,200.00 kJ/mol
Molybdenum Metal
104400 195200
5.5.25 25th Energy Level
NANA
Molybdenum Metal
121900 121900
5.5.26 26th Energy Level
NANA
Molybdenum Metal
127700 127700
5.5.27 27th Energy Level
NANA
Molybdenum Metal
133800 133800
5.5.28 28th Energy Level
NANA
Molybdenum Metal
139800 139800
5.5.29 29th Energy Level
NANA
Molybdenum Metal
148100 148100
5.5.30 30th Energy Level
NANA
Molybdenum Metal
154500 154500
5.6 Electrochemical Equivalent
1.77 g/amp-hr0.69 g/amp-hr
Beryllium Metal
0.16812 8.3209
5.7 Electron Work Function
NA4.70 eV
Cesium Metal
2.14 5.65
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Solubility
6 Atomic
6.1 Atomic Number
9326
Lithium Metal
3 117
6.2 Electron Configuration
[Rn] 5f4 6d1 7s2
[Ar] 3d6 4s2
6.3 Crystal Structure
Orthorhombic (ORTH)
Body Centered Cubic (BCC)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
9326
Lithium Metal
3 117
6.4.2 Number of Neutrons
14430
Lithium Metal
4 184
6.4.3 Number of Electrons
9326
Lithium Metal
3 117
6.5 Radius of an Atom
6.5.1 Atomic Radius
155.00 pm126.00 pm
Beryllium Metal
112 265
6.5.2 Covalent Radius
190.00 pm132.00 pm
Beryllium Metal
96 260
6.5.3 Van der Waals Radius
221.00 pm200.00 pm
Zinc Metal
139 348
6.6 Atomic Weight
237.00 amu55.85 amu
Lithium Metal
6.94 294
6.7 Atomic Volume
11.62 cm3/mol7.10 cm3/mol
Manganese Metal
1.39 71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
96.00 (-eV)67.00 (-eV)
Francium Metal
8 392.42
6.10 Lattice Constant
666.30 pm286.65 pm
Beryllium Metal
228.58 891.25
6.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
6.12 Lattice C/A Ratio
NANA
Beryllium Metal
1.567 1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
19.38 g/cm37.87 g/cm3
Lithium Metal
0.534 40.7
7.1.2 Density When Liquid (at m.p.)
NA6.98 g/cm3
Lithium Metal
0.512 20
7.2 Tensile Strength
125.00 MPa11,000.00 MPa
Indium Metal
2.5 11000
7.3 Viscosity
NANA
Mercury Metal
0.001526 0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium Metal
2.47E-11 121
7.4.2 Vapor Pressure at 2000 K
0.11 (Pa)36.80 (Pa)
Tungsten Metal
2.62E-10 774
7.5 Elasticity properties
7.5.1 Shear Modulus
NA82.00 GPa
Potassium Metal
1.3 222
7.5.2 Bulk Modulus
NA170.00 GPa
Cesium Metal
1.6 462
7.5.3 Young's Modulus
NA211.00 GPa
Cesium Metal
1.7 528
7.6 Poisson Ratio
NA0.29
Beryllium Metal
0.032 0.47
7.7 Other Mechanical Properties
Ductile
Ductile, Malleable, Weldable
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
20.257.20
Lithium Metal
0.53 4500
8.1.2 Magnetic Ordering
Paramagnetic
Ferromagnetic
8.1.3 Permeability
NA6.3 * 10-3 H/m
Bismuth Metal
1.25643E-06 0.0063
8.1.4 Susceptibility
NA2,00,000.00
Bismuth Metal
-0.000166 200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
Conductor
8.2.2 Resistivity
1.22 nΩ·m96.10 nΩ·m
Thallium Metal
0.18 961
8.2.3 Electrical Conductivity
0.01 106/cm Ω0.10 106/cm Ω
Plutonium Metal
0.00666 0.63
8.2.4 Electron Affinity
NA15.70 kJ/mol
Mercury Metal
0 222.8
9 Thermal
9.1 Specific Heat
0.12 J/(kg K)0.44 J/(kg K)
Americium Metal
0.11 3.6
9.2 Molar Heat Capacity
29.46 J/mol·K25.10 J/mol·K
Beryllium Metal
16.443 62.7
9.3 Thermal Conductivity
6.30 W/m·K80.40 W/m·K
Palladium
6.3 429
9.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
9.5 Thermal Expansion
NA11.80 µm/(m·K)
Tungsten Metal
4.5 97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
NA351.00 kJ/mol
Zinc Metal
7.32 799.1
9.6.2 Enthalpy of Fusion
3.20 kJ/mol14.90 kJ/mol
Cesium Metal
2.1 35.23
9.6.3 Enthalpy of Atomization
NA414.20 kJ/mol
Mercury Metal
61.5 837
9.7 Standard Molar Entropy
NA27.30 J/mol.K
Beryllium Metal
9.5 198.1