1 Periodic Table
1.1 Symbol
1.2 Group Number
1.6 Period Number
1.9 Block
1.10 Element Family
1.11 CAS Number
74399987439954
7429905
54386242
2.5 Space Group Name
2.6 Space Group Number
3 Facts
3.1 Interesting Facts
Not Available
- Magnesium ions are present in every chlorophyll of every green plant .
- Controlling Magnesium fire by pouring water on it will result in explosions.
3.2 Sources
Made by Bombarding Uranium with Neutrons, Ores of metals
By Electrolysis Process, In Ocean, Mining
3.3 History
3.3.1 Who Discovered
Edwin McMillan and Philip H. Abelson
Joseph Black
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.2 Abundance In Sun
~-9999 %~0.07 %
1E-08
0.1
3.4.4 Abundance In Meteorites
3.4.5 Abundance In Earth's Crust
3.4.7 Abundance In Oceans
3.4.8 Abundance In Humans
4 Uses
4.1 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.
- Magnesium aluminum alloy improves the mechanical strength and welding characteristics and hence it is used in aeroplane and car manufacturing.
-
It is also used to remove sulfur from the molten iron and steel.
4.1.1 Industrial Uses
NA
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Nuclear Research, Research Purposes
Surgical Instruments Manufacturing
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.00 Blood/mg dm-337.80 Blood/mg dm-3
0
1970
4.2.5 In Bone
0.00 p.p.m.1,800.00 p.p.m.
0
170000
6 Physical
6.1 Melting Point
640.00 °C650.00 °C
27
3410
6.2 Boiling Point
3,902.00 °C1,107.00 °C
147
5660
7.2 Appearance
7.2.1 Physical State
7.2.2 Color
7.2.3 Luster
7.3 Hardness
7.3.1 Mohs Hardness
7.4.1 Brinell Hardness
7.4.2 Vickers Hardness
7.7 Speed of Sound
7.8 Optical Properties
7.8.1 Refractive Index
7.8.2 Reflectivity
7.9 Allotropes
7.9.1 α Allotropes
Not Available
Not Available
7.9.2 β Allotropes
Not Available
Not Available
7.9.3 γ Allotropes
Not Available
Not Available
8 Chemical
8.1 Chemical Formula
8.2 Isotopes
8.2.1 Known Isotopes
8.3 Electronegativity
8.3.1 Pauling Electronegativity
8.4.1 Sanderson Electronegativity
8.5.2 Allred Rochow Electronegativity
9.2.2 Mulliken-Jaffe Electronegativity
9.2.3 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
604.50 kJ/mol737.70 kJ/mol
375.7
26130
9.5.2 2nd Energy Level
1,128.00 kJ/mol1,450.70 kJ/mol
710.2162
28750
9.5.4 3rd Energy Level
1,997.00 kJ/mol7,732.70 kJ/mol
1600
34230
9.5.6 4th Energy Level
3,242.00 kJ/mol10,542.50 kJ/mol
2780
37066
9.5.8 5th Energy Level
NA13,630.00 kJ/mol
4305.2
97510
9.5.9 6th Energy Level
NA18,020.00 kJ/mol
5715.8
105800
9.5.10 7th Energy level
NA21,711.00 kJ/mol
7226.8
114300
9.6.2 8th Energy Level
NA25,661.00 kJ/mol
8857.4
125300
9.7.2 9th Energy Level
NA31,653.00 kJ/mol
14110
134700
9.7.3 10th Energy Level
NA35,458.00 kJ/mol
17100
144300
9.7.5 11th Energy Level
NA169,988.00 kJ/mol
19900
169988
9.7.7 12th Energy Level
NA189,368.00 kJ/mol
22219
189368
9.7.8 13th Energy Level
9.7.10 14th Energy Level
9.7.11 15th Energy Level
9.7.13 16th Energy Level
9.7.14 17th Energy Level
9.7.16 18th Energy Level
9.7.18 19th Energy Level
9.7.20 20th Energy Level
9.7.21 21st Energy Level
9.7.23 22nd Energy Level
9.7.24 23rd Energy Level
9.7.26 24th Energy Level
9.7.27 25th Energy Level
9.7.29 26th Energy Level
9.7.30 27th Energy Level
9.7.31 28th Energy Level
9.7.33 29th Energy Level
9.7.34 30th Energy Level
9.8 Electrochemical Equivalent
1.77 g/amp-hr0.45 g/amp-hr
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Highly Inflammable, Ionization, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 5f4 6d1 7s2
[Ne] 3s2
10.3 Crystal Structure
Orthorhombic (ORTH)
Hexagonal Close Packed (HCP)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.3 Number of Neutrons
10.4.5 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
155.00 pm160.00 pm
112
265
10.5.3 Covalent Radius
190.00 pm141.00 pm
96
260
10.5.5 Van der Waals Radius
221.00 pm173.00 pm
139
348
10.6 Atomic Weight
237.00 amu24.31 amu
6.94
294
10.7 Atomic Volume
11.62 cm3/mol13.97 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
96.00 (-eV)40.00 (-eV)
8
392.42
10.10 Lattice Constant
666.30 pm320.94 pm
228.58
891.25
10.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
19.38 g/cm31.74 g/cm3
0.534
40.7
11.2.1 Density When Liquid (at m.p.)
11.4 Tensile Strength
11.5 Viscosity
12.2 Vapor Pressure
12.2.1 Vapor Pressure at 1000 K
12.2.2 Vapor Pressure at 2000 K
12.6 Elasticity properties
12.6.1 Shear Modulus
12.6.3 Bulk Modulus
12.6.4 Young's Modulus
12.7 Poisson Ratio
12.9 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.1.3 Magnetic Ordering
Paramagnetic
Paramagnetic
13.1.4 Permeability
13.1.5 Susceptibility
13.2 Electrical Properties
13.2.1 Electrical Property
13.2.2 Resistivity
1.22 nΩ·m43.90 nΩ·m
0.18
961
13.3.1 Electrical Conductivity
0.01 106/cm Ω0.23 106/cm Ω
0.00666
0.63
13.3.2 Electron Affinity
14 Thermal
14.1 Specific Heat
0.12 J/(kg K)1.02 J/(kg K)
0.11
3.6
14.4 Molar Heat Capacity
29.46 J/mol·K24.87 J/mol·K
16.443
62.7
14.6 Thermal Conductivity
6.30 W/m·K156.00 W/m·K
6.3
429
14.7 Critical Temperature
15.2 Thermal Expansion
15.3 Enthalpy
15.3.1 Enthalpy of Vaporization
NA128.70 kJ/mol
7.32
799.1
15.3.3 Enthalpy of Fusion
3.20 kJ/mol8.95 kJ/mol
2.1
35.23
15.4.1 Enthalpy of Atomization
15.7 Standard Molar Entropy
NA32.70 J/mol.K
9.5
198.1