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Zirconium Magnesium Comparison

Zirconium
Magnesium
Magnesium Zirconium comparison


Periodic Table
Symbol
Zr   
Mg   
Group Number
4   
14
2   
16
Period Number
5   
3   
Block
d block   
s block   
Element Family
Transition Metal   
Alkaline Earth   
CAS Number
7440677   
23
7439954   
99+
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Zirconium metal can resist to weak acids.
  • Zirconium metal reacts with oxygen and nitrogen in the atmosphere.
  
  • 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
Martin Heinrich Klaproth   
Joseph Black   
Discovery
In 1789   
In 1755   
Abundance
  
  
Abundance In Universe
5 * 10-6 %   
13
6 * 10-2 %   
2
Abundance In Sun
~0.000004 %   
16
~0.07 %   
2
Abundance In Meteorites
0.00 %   
17
12.00 %   
2
Abundance In Earth's Crust
0.01 %   
14
2.90 %   
4
Abundance In Oceans
0.00 %   
23
0.13 %   
2
Abundance In Humans
0.00 %   
15
0.03 %   
4
Uses
Uses & Benefits
  • As this metal does not absorb neutrons; It is used in nuclear power stations.
  • Its oxide is used in ultra strong ceramics. It is also used in manufacturing Crucibles.
  
  • 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
Aerospace Industry, Ammunition Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Pharmaceutical Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys, Nuclear Research, Research Purposes   
Surgical Instruments Manufacturing   
Biological Properties
  
  
Toxicity
NA   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.01 Blood/mg dm-3   
21
37.80 Blood/mg dm-3   
5
In Bone
0.10 p.p.m.   
23
1,800.00 p.p.m.   
4
Physical Properties
Melting Point
1,852.00 °C   
15
650.00 °C   
99+
Boiling Point
4,377.00 °C   
11
1,107.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Gray   
Luster
Lustrous   
NA   
Hardness
  
  
Mohs Hardness
5.00   
8
2.50   
14
Brinell Hardness
638.00 MPa   
19
260.00 MPa   
36
Vickers Hardness
820.00 MPa   
15
Not Available   
Speed of Sound
3,800.00 m/s   
20
4,940.00 m/s   
11
Optical Properties
  
  
Reflectivity
Not Available   
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
Zr   
Mg   
Isotopes
  
  
Known Isotopes
24   
15
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.33   
30
1.31   
31
Sanderson Electronegativity
0.90   
25
1.32   
18
Allred Rochow Electronegativity
1.22   
26
1.23   
25
Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16
Allen Electronegativity
1.32   
34
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
2.67   
24
2.69   
23
Ionization Energies
  
  
1st Energy Level
640.10 kJ/mol   
99+
737.70 kJ/mol   
24
2nd Energy Level
1,270.00 kJ/mol   
99+
1,450.70 kJ/mol   
99+
3rd Energy Level
2,218.00 kJ/mol   
99+
7,732.70 kJ/mol   
5
4th Energy Level
3,313.00 kJ/mol   
99+
10,542.50 kJ/mol   
4
5th Energy Level
7,752.00 kJ/mol   
10
13,630.00 kJ/mol   
3
6th Energy Level
9,500.00 kJ/mol   
15
18,020.00 kJ/mol   
3
7th Energy level
Not Available   
21,711.00 kJ/mol   
3
8th Energy Level
Not Available   
25,661.00 kJ/mol   
3
9th Energy Level
Not Available   
31,653.00 kJ/mol   
3
10th Energy Level
Not Available   
35,458.00 kJ/mol   
5
11th Energy Level
Not Available   
169,988.00 kJ/mol   
1
12th Energy Level
Not Available   
189,368.00 kJ/mol   
1
Electrochemical Equivalent
0.85 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
4.05 eV   
26
3.66 eV   
29
Other Chemical Properties
Anti Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Highly Inflammable, Ionization, Solubility   
Atomic Properties
Atomic Number
40   
99+
12   
99+
Electron Configuration
[Kr] 4d2 5s2   
[Ne] 3s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Zirconium.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   
Atom
  
  
Number of Protons
40   
99+
12   
99+
Number of Neutrons
51   
99+
12   
99+
Number of Electrons
40   
99+
12   
99+
Radius of an Atom
  
  
Atomic Radius
160.00 pm   
27
160.00 pm   
27
Covalent Radius
175.00 pm   
23
141.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
173.00 pm   
37
Atomic Weight
91.22 amu   
99+
24.31 amu   
99+
Atomic Volume
14.10 cm3/mol   
36
13.97 cm3/mol   
37
Adjacent Atomic Numbers
  
  
Previous Element
Yttrium
  
Sodium
  
Next Element
Niobium
  
Aluminium
  
Valence Electron Potential
80.00 (-eV)   
18
40.00 (-eV)   
99+
Lattice Constant
323.20 pm   
99+
320.94 pm   
99+
Lattice Angles
π/2, π/2, 2 π/3   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
1.59   
8
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
6.52 g/cm3   
99+
1.74 g/cm3   
99+
Density When Liquid (at m.p.)
5.80 g/cm3   
99+
1.58 g/cm3   
99+
Tensile Strength
330.00 MPa   
12
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 2000 K
0.00 (Pa)   
21
Not Available   
Elasticity properties
  
  
Shear Modulus
33.00 GPa   
20
17.00 GPa   
37
Bulk Modulus
91.10 GPa   
17
45.00 GPa   
25
Young's Modulus
88.00 GPa   
22
45.00 GPa   
39
Poisson Ratio
0.34   
10
0.29   
15
Other Mechanical Properties
Ductile, Malleable   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
6.51   
99+
1.74   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
421.00 nΩ·m   
11
43.90 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.23 106/cm Ω   
7
Electron Affinity
41.10 kJ/mol   
27
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.27 J/(kg K)   
19
1.02 J/(kg K)   
4
Molar Heat Capacity
25.36 J/mol·K   
99+
24.87 J/mol·K   
99+
Thermal Conductivity
22.60 W/m·K   
99+
156.00 W/m·K   
8
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
5.70 µm/(m·K)   
99+
24.80 µm/(m·K)   
15
Enthalpy
  
  
Enthalpy of Vaporization
581.60 kJ/mol   
9
128.70 kJ/mol   
99+
Enthalpy of Fusion
20.90 kJ/mol   
11
8.95 kJ/mol   
39
Enthalpy of Atomization
598.00 kJ/mol   
10
148.50 kJ/mol   
99+
Standard Molar Entropy
39.00 J/mol.K   
39
32.70 J/mol.K   
99+
Summary >>
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