1 Periodic Table
1.1 Symbol
Mg
1.2 Group Number
1.3 Period Number
1.4 Block
s block
1.5 Element Family
Alkaline Earth
1.6 CAS Number
7439954
Rank: 83 (Overall) ▶
7429905
54386242
1.7 Space Group Name
P63/mmc
1.8 Space Group Number
194.00
Rank: 5 (Overall) ▶
11
229
2 Facts
2.1 Interesting Facts
- Magnesium ions are present in every chlorophyll of every green plant .
- Controlling Magnesium fire by pouring water on it will result in explosions.
2.2 Sources
By Electrolysis Process, In Ocean, Mining
2.3 History
2.3.1 Who Discovered
Joseph Black
2.3.2 Discovery
In 1755
2.4 Abundance
2.4.1 Abundance In Universe
6 * 10-2 %
Rank: 2 (Overall) ▶
5E-09
0.11
2.4.2 Abundance In Sun
~0.07 %
Rank: 2 (Overall) ▶
1E-08
0.1
2.4.3 Abundance In Meteorites
12.00 %
Rank: 2 (Overall) ▶
1.7E-07
22
2.4.4 Abundance In Earth's Crust
2.90 %
Rank: 4 (Overall) ▶
9.9E-12
8.1
2.4.5 Abundance In Oceans
0.13 %
Rank: 2 (Overall) ▶
2E-23
1.1
2.4.6 Abundance In Humans
0.03 %
Rank: 4 (Overall) ▶
1E-13
1.4
3 Uses
3.1 Uses & Benefits
- 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.
3.1.1 Industrial Uses
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry
3.1.2 Medical Uses
NA
3.1.3 Other Uses
Surgical Instruments Manufacturing
3.2 Biological Properties
3.2.1 Toxicity
Non Toxic
3.2.2 Present in Human Body
✔
✘
83% - Alkaline Earth Metals Metals have it !
▶
3.2.3 In Blood
37.80 Blood/mg dm-3
Rank: 5 (Overall) ▶
0
1970
3.2.4 In Bone
1,800.00 p.p.m.
Rank: 4 (Overall) ▶
0
170000
4 Physical
4.1 Melting Point
650.00 °C
Rank: 61 (Overall) ▶
27
3410
4.2 Boiling Point
1,107.00 °C
Rank: 66 (Overall) ▶
147
5660
4.3 Appearance
4.3.1 Physical State
Solid
4.3.2 Color
Gray
4.3.3 Luster
NA
4.4 Hardness
4.4.1 Mohs Hardness
2.50
Rank: 14 (Overall) ▶
0.2
8.5
4.4.2 Brinell Hardness
260.00 MPa
Rank: 36 (Overall) ▶
0.14
3490
4.4.3 Vickers Hardness
Not Available
Rank: N/A (Overall) ▶
121
3430
4.5 Speed of Sound
4,940.00 m/s
Rank: 11 (Overall) ▶
818
16200
4.6 Optical Properties
4.6.1 Refractive Index
Not Available
Rank: N/A (Overall) ▶
1.000933
1.7229
4.6.2 Reflectivity
74.00 %
Rank: 7 (Overall) ▶
58
97
4.7 Allotropes
✔
✘
No - Alkaline Earth Metals Metals has it !
▶
4.7.1 α Allotropes
Not Available
4.7.2 β Allotropes
Not Available
4.7.3 γ Allotropes
Not Available
5 Chemical
5.1 Chemical Formula
Mg
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
1.31
Rank: 31 (Overall) ▶
0.7
2.54
5.3.2 Sanderson Electronegativity
1.32
Rank: 18 (Overall) ▶
0.22
2.56
5.3.3 Allred Rochow Electronegativity
1.23
Rank: 25 (Overall) ▶
0.86
1.82
5.3.4 Mulliken-Jaffe Electronegativity
1.37
Rank: 16 (Overall) ▶
0.62
2.48
5.3.5 Allen Electronegativity
1.29
Rank: 35 (Overall) ▶
0.659
2.7
5.4 Electropositivity
5.4.1 Pauling Electropositivity
2.69
Rank: 23 (Overall) ▶
1.46
3.3
5.5 Ionization Energies
5.5.1 1st Energy Level
737.70 kJ/mol
Rank: 24 (Overall) ▶
375.7
26130
5.5.2 2nd Energy Level
1,450.70 kJ/mol
Rank: 42 (Overall) ▶
710.2162
28750
5.5.3 3rd Energy Level
7,732.70 kJ/mol
Rank: 5 (Overall) ▶
1600
34230
5.5.4 4th Energy Level
10,542.50 kJ/mol
Rank: 4 (Overall) ▶
2780
37066
5.5.5 5th Energy Level
13,630.00 kJ/mol
Rank: 3 (Overall) ▶
4305.2
97510
5.5.6 6th Energy Level
18,020.00 kJ/mol
Rank: 3 (Overall) ▶
5715.8
105800
5.5.7 7th Energy level
21,711.00 kJ/mol
Rank: 3 (Overall) ▶
7226.8
114300
5.5.8 8th Energy Level
25,661.00 kJ/mol
Rank: 3 (Overall) ▶
8857.4
125300
5.5.9 9th Energy Level
31,653.00 kJ/mol
Rank: 3 (Overall) ▶
14110
134700
5.5.10 10th Energy Level
35,458.00 kJ/mol
Rank: 5 (Overall) ▶
17100
144300
5.5.11 11th Energy Level
169,988.00 kJ/mol
Rank: 1 (Overall) ▶
19900
169988
5.5.12 12th Energy Level
189,368.00 kJ/mol
Rank: 1 (Overall) ▶
22219
189368
5.5.13 13th Energy Level
Not Available
Rank: N/A (Overall) ▶
26930
76015
5.5.14 14th Energy Level
Not Available
Rank: N/A (Overall) ▶
29196
86450
5.5.15 15th Energy Level
Not Available
Rank: N/A (Overall) ▶
41987
97510
5.5.16 16th Energy Level
Not Available
Rank: N/A (Overall) ▶
47206
109480
5.5.17 17th Energy Level
Not Available
Rank: N/A (Overall) ▶
52737
122200
5.5.18 18th Energy Level
Not Available
Rank: N/A (Overall) ▶
58570
134810
5.5.19 19th Energy Level
Not Available
Rank: N/A (Overall) ▶
64702
148700
5.5.20 20th Energy Level
Not Available
Rank: N/A (Overall) ▶
80400
171200
5.5.21 21st Energy Level
Not Available
Rank: N/A (Overall) ▶
87000
179100
5.5.22 22nd Energy Level
Not Available
Rank: N/A (Overall) ▶
93400
184900
5.5.23 23rd Energy Level
Not Available
Rank: N/A (Overall) ▶
98420
198800
5.5.24 24th Energy Level
Not Available
Rank: N/A (Overall) ▶
104400
195200
5.5.25 25th Energy Level
Not Available
Rank: N/A (Overall) ▶
121900
121900
5.5.26 26th Energy Level
Not Available
Rank: N/A (Overall) ▶
127700
127700
5.5.27 27th Energy Level
Not Available
Rank: N/A (Overall) ▶
133800
133800
5.5.28 28th Energy Level
Not Available
Rank: N/A (Overall) ▶
139800
139800
5.5.29 29th Energy Level
Not Available
Rank: N/A (Overall) ▶
148100
148100
5.5.30 30th Energy Level
Not Available
Rank: N/A (Overall) ▶
154500
154500
5.6 Electrochemical Equivalent
0.45 g/amp-hr
Rank: 69 (Overall) ▶
0.16812
8.3209
5.7 Electron Work Function
3.66 eV
Rank: 29 (Overall) ▶
2.14
5.65
5.8 Other Chemical Properties
Corrosion, Highly Inflammable, Ionization, Solubility
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
[Ne] 3s2
6.3 Crystal Structure
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
160.00 pm
Rank: 27 (Overall) ▶
112
265
6.5.2 Covalent Radius
141.00 pm
Rank: 43 (Overall) ▶
96
260
6.5.3 Van der Waals Radius
173.00 pm
Rank: 37 (Overall) ▶
139
348
6.6 Atomic Weight
24.31 amu
Rank: 83 (Overall) ▶
6.94
294
6.7 Atomic Volume
13.97 cm3/mol
Rank: 37 (Overall) ▶
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
40.00 (-eV)
Rank: 47 (Overall) ▶
8
392.42
6.10 Lattice Constant
320.94 pm
Rank: 54 (Overall) ▶
228.58
891.25
6.11 Lattice Angles
π/2, π/2, 2 π/3
6.12 Lattice C/A Ratio
Not Available
Rank: N/A (Overall) ▶
1.567
1.886
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
1.74 g/cm3
Rank: 79 (Overall) ▶
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
1.58 g/cm3
Rank: 55 (Overall) ▶
0.512
20
7.2 Tensile Strength
Not Available
Rank: N/A (Overall) ▶
2.5
11000
7.3 Viscosity
Not Available
Rank: N/A (Overall) ▶
0.001526
0.001526
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
Not Available
Rank: N/A (Overall) ▶
2.47E-11
121
7.4.2 Vapor Pressure at 2000 K
Not Available
Rank: N/A (Overall) ▶
2.62E-10
774
7.5 Elasticity properties
7.5.1 Shear Modulus
17.00 GPa
Rank: 37 (Overall) ▶
1.3
222
7.5.2 Bulk Modulus
45.00 GPa
Rank: 25 (Overall) ▶
1.6
462
7.5.3 Young's Modulus
45.00 GPa
Rank: 39 (Overall) ▶
1.7
528
7.6 Poisson Ratio
0.29
Rank: 15 (Overall) ▶
0.032
0.47
7.7 Other Mechanical Properties
NA
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
1.74
Rank: 66 (Overall) ▶
0.53
4500
8.1.2 Magnetic Ordering
Paramagnetic
8.1.3 Permeability
Not Available
Rank: N/A (Overall) ▶
1.25643E-06
0.0063
8.1.4 Susceptibility
Not Available
Rank: N/A (Overall) ▶
-0.000166
200000
8.2 Electrical Properties
8.2.1 Electrical Property
Conductor
8.2.2 Resistivity
43.90 nΩ·m
Rank: 45 (Overall) ▶
0.18
961
8.2.3 Electrical Conductivity
0.23 106/cm Ω
Rank: 7 (Overall) ▶
0.00666
0.63
8.2.4 Electron Affinity
0.00 kJ/mol
Rank: 40 (Overall) ▶
0
222.8
9 Thermal
9.1 Specific Heat
1.02 J/(kg K)
Rank: 4 (Overall) ▶
0.11
3.6
9.2 Molar Heat Capacity
24.87 J/mol·K
Rank: 47 (Overall) ▶
16.443
62.7
9.3 Thermal Conductivity
156.00 W/m·K
Rank: 8 (Overall) ▶
6.3
429
9.4 Critical Temperature
Not Available
Rank: N/A (Overall) ▶
26.3
3223
9.5 Thermal Expansion
24.80 µm/(m·K)
Rank: 15 (Overall) ▶
4.5
97
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
128.70 kJ/mol
Rank: 52 (Overall) ▶
7.32
799.1
9.6.2 Enthalpy of Fusion
8.95 kJ/mol
Rank: 39 (Overall) ▶
2.1
35.23
9.6.3 Enthalpy of Atomization
148.50 kJ/mol
Rank: 53 (Overall) ▶
61.5
837
9.7 Standard Molar Entropy
32.70 J/mol.K
Rank: 46 (Overall) ▶
9.5
198.1