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Nickel vs Magnesium

Nickel
Magnesium
Magnesium vs Nickel


Periodic Table
Symbol
Ni   
Mg   
Group Number
10   
8
2   
16
Period Number
4   
3   
Block
d block   
s block   
Element Family
Transition Metal   
Alkaline Earth   
CAS Number
7440020   
99+
7439954   
99+
Space Group Name
Fm_ 3m   
P63/mmc   
Space Group Number
225.00   
2
194.00   
5
Facts
Interesting Facts
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • After iron, Zinc metal the second most abundant element in the earth crust.
  
  • Magnesium ions are present in every chlorophyll of every green plant .
  • Controlling Magnesium fire by pouring water on it will result in explosions.
  
Sources
Found in Minerals, Mining, Ores of Minerals   
By Electrolysis Process, In Ocean, Mining   
History
  
  
Who Discovered
Axel Fredrik Cronstedt   
Joseph Black   
Discovery
In 1751   
In 1755   
Abundance
  
  
Abundance In Universe
6 * 10-3 %   
4
6 * 10-2 %   
2
Abundance In Sun
~0.008 %   
3
~0.07 %   
2
Abundance In Meteorites
1.30 %   
3
12.00 %   
2
Abundance In Earth's Crust
0.01 %   
15
2.90 %   
4
Abundance In Oceans
0.00 %   
13
0.13 %   
2
Abundance In Humans
0.00 %   
14
0.03 %   
4
Uses
Uses & Benefits
  • It has corrosion resistance and hence it is used to plate other metals.
  • Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.
  
  • 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.
  
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Surgical Instruments Manufacturing   
Biological Properties
  
  
Toxicity
Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.05 Blood/mg dm-3   
17
37.80 Blood/mg dm-3   
5
In Bone
0.70 p.p.m.   
18
1,800.00 p.p.m.   
4
Physical Properties
Melting Point
1,453.00 °C   
31
650.00 °C   
99+
Boiling Point
2,732.00 °C   
38
1,107.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silver   
Gray   
Luster
Metallic   
NA   
Hardness
  
  
Mohs Hardness
4.00   
10
2.50   
14
Brinell Hardness
667.00 MPa   
18
260.00 MPa   
36
Vickers Hardness
638.00 MPa   
16
Not Available   
Speed of Sound
4,900.00 m/s   
12
4,940.00 m/s   
11
Optical Properties
  
  
Reflectivity
72.00 %   
9
74.00 %   
7
Allotropes
No   
No   
α Allotropes
Not Available   
Not Available   
β Allotropes
Not Available   
Not Available   
γ Allotropes
Not Available   
Not Available   
Chemical Properties
Chemical Formula
Ni   
Mg   
Isotopes
  
  
Known Isotopes
25   
14
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.91   
10
1.31   
31
Sanderson Electronegativity
1.94   
10
1.32   
18
Allred Rochow Electronegativity
1.75   
3
1.23   
25
Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16
Allen Electronegativity
1.88   
6
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
2.09   
99+
2.69   
23
Ionization Energies
  
  
1st Energy Level
737.10 kJ/mol   
25
737.70 kJ/mol   
24
2nd Energy Level
1,753.00 kJ/mol   
25
1,450.70 kJ/mol   
99+
3rd Energy Level
3,395.00 kJ/mol   
17
7,732.70 kJ/mol   
5
4th Energy Level
5,300.00 kJ/mol   
15
10,542.50 kJ/mol   
4
5th Energy Level
7,339.00 kJ/mol   
15
13,630.00 kJ/mol   
3
6th Energy Level
10,400.00 kJ/mol   
9
18,020.00 kJ/mol   
3
7th Energy level
12,800.00 kJ/mol   
10
21,711.00 kJ/mol   
3
8th Energy Level
15,600.00 kJ/mol   
10
25,661.00 kJ/mol   
3
9th Energy Level
18,600.00 kJ/mol   
10
31,653.00 kJ/mol   
3
10th Energy Level
21,670.00 kJ/mol   
14
35,458.00 kJ/mol   
5
11th Energy Level
30,970.00 kJ/mol   
7
169,988.00 kJ/mol   
1
12th Energy Level
34,000.00 kJ/mol   
7
189,368.00 kJ/mol   
1
13th Energy Level
37,100.00 kJ/mol   
7
Not Available   
14th Energy Level
41,500.00 kJ/mol   
8
Not Available   
15th Energy Level
44,800.00 kJ/mol   
10
Not Available   
16th Energy Level
48,100.00 kJ/mol   
12
Not Available   
17th Energy Level
55,101.00 kJ/mol   
11
Not Available   
18th Energy Level
58,570.00 kJ/mol   
12
Not Available   
19th Energy Level
148,700.00 kJ/mol   
1
Not Available   
20th Energy Level
159,000.00 kJ/mol   
3
Not Available   
21st Energy Level
169,400.00 kJ/mol   
3
Not Available   
22nd Energy Level
182,700.00 kJ/mol   
2
Not Available   
23rd Energy Level
194,000.00 kJ/mol   
2
Not Available   
Electrochemical Equivalent
1.10 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
5.15 eV   
2
3.66 eV   
29
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes   
Corrosion, Highly Inflammable, Ionization, Solubility   
Atomic Properties
Atomic Number
28   
99+
12   
99+
Electron Configuration
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1   
[Ne] 3s2   
Crystal Structure
Face Centered Cubic (FCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
FCC-Crystal-Structure-of-Nickel.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   
Atom
  
  
Number of Protons
28   
99+
12   
99+
Number of Neutrons
31   
99+
12   
99+
Number of Electrons
28   
99+
12   
99+
Radius of an Atom
  
  
Atomic Radius
124.00 pm   
99+
160.00 pm   
27
Covalent Radius
124.00 pm   
99+
141.00 pm   
99+
Van der Waals Radius
163.00 pm   
40
173.00 pm   
37
Atomic Weight
58.69 amu   
99+
24.31 amu   
99+
Atomic Volume
6.59 cm3/mol   
99+
13.97 cm3/mol   
37
Adjacent Atomic Numbers
  
  
Previous Element
Cobalt
  
Sodium
  
Next Element
Copper
  
Aluminium
  
Valence Electron Potential
42.00 (-eV)   
99+
40.00 (-eV)   
99+
Lattice Constant
352.40 pm   
99+
320.94 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
8.91 g/cm3   
99+
1.74 g/cm3   
99+
Density When Liquid (at m.p.)
7.81 g/cm3   
29
1.58 g/cm3   
99+
Tensile Strength
345.00 MPa   
11
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
31
Not Available   
Vapor Pressure at 2000 K
19.50 (Pa)   
6
Not Available   
Elasticity properties
  
  
Shear Modulus
76.00 GPa   
12
17.00 GPa   
37
Bulk Modulus
180.00 GPa   
9
45.00 GPa   
25
Young's Modulus
200.00 GPa   
11
45.00 GPa   
39
Poisson Ratio
0.31   
13
0.29   
15
Other Mechanical Properties
Ductile   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
8.90   
33
1.74   
99+
Magnetic Ordering
Ferromagnetic   
Paramagnetic   
Permeability
0.00 H/m   
2
Not Available   
Susceptibility
600.00   
2
Not Available   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
69.30 nΩ·m   
39
43.90 nΩ·m   
99+
Electrical Conductivity
0.14 106/cm Ω   
13
0.23 106/cm Ω   
7
Electron Affinity
112.00 kJ/mol   
6
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.44 J/(kg K)   
13
1.02 J/(kg K)   
4
Molar Heat Capacity
26.07 J/mol·K   
31
24.87 J/mol·K   
99+
Thermal Conductivity
90.90 W/m·K   
18
156.00 W/m·K   
8
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
13.40 µm/(m·K)   
28
24.80 µm/(m·K)   
15
Enthalpy
  
  
Enthalpy of Vaporization
371.80 kJ/mol   
20
128.70 kJ/mol   
99+
Enthalpy of Fusion
17.57 kJ/mol   
14
8.95 kJ/mol   
39
Enthalpy of Atomization
422.60 kJ/mol   
17
148.50 kJ/mol   
99+
Standard Molar Entropy
29.90 J/mol.K   
99+
32.70 J/mol.K   
99+
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