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Dysprosium vs Magnesium

Dysprosium
Magnesium
Magnesium vs Dysprosium


Periodic Table
Symbol
Dy  
Mg  
Group Number
3  
15
2  
16
Period Number
6  
3  
Block
f block  
s block  
Element Family
Lanthanide  
Alkaline Earth  
CAS Number
7429916  
99+
7439954  
99+
Space Group Name
P63/mmc  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • 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
Lecoq de Boisbaudran  
Joseph Black  
Discovery
In 1886  
In 1755  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.06 %  
3
Abundance In Sun
0.00 %  
25
0.07 %  
2
Abundance In Meteorites
0.00 %  
33
12.00 %  
2
Abundance In Earth's Crust
0.00 %  
28
2.90 %  
4
Abundance In Oceans
0.00 %  
35
0.13 %  
2
Abundance In Humans
0.00 %  
24
0.03 %  
5
Uses
Uses & Benefits
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  
  • 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, Automobile Industry, Chemical Industry, Pharmaceutical Industry  
Medical Uses
-  
-  
Other Uses
Alloys, Nuclear Research  
Surgical Instruments Manufacturing  
Biological Properties
  
  
Toxicity
Mildly Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
37.80 Blood/mg dm-3  
5
In Bone
0.00 p.p.m.  
99+
1,800.00 p.p.m.  
4
Physical
Melting Point
1,407.00 °C  
32
650.00 °C  
99+
Boiling Point
2,562.00 °C  
99+
1,107.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Gray  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
5.00  
8
2.50  
15
Brinell Hardness
500.00 MPa  
28
260.00 MPa  
99+
Vickers Hardness
540.00 MPa  
32
260.00 MPa  
99+
Speed of Sound
2,710.00 m/s  
99+
4,940.00 m/s  
15
Optical Properties
  
  
Refractive Index
1.78  
23
1.49  
37
Reflectivity
35.00 %  
34
74.00 %  
9
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Dy  
Mg  
Isotopes
  
  
Known Isotopes
29  
10
15  
24
Electronegativity
  
  
Pauling Electronegativity
1.22  
39
1.31  
32
Sanderson Electronegativity
1.22  
31
1.32  
24
Allred Rochow Electronegativity
1.10  
31
1.23  
26
Mulliken-Jaffe Electronegativity
1.22  
38
1.37  
30
Allen Electronegativity
1.22  
99+
1.29  
99+
Electropositivity
  
  
Pauling Electropositivity
2.78  
16
2.69  
23
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
24
2nd Energy Level
1,130.00 kJ/mol  
99+
1,450.70 kJ/mol  
99+
3rd Energy Level
2,200.00 kJ/mol  
99+
7,732.70 kJ/mol  
5
4th Energy Level
3,990.00 kJ/mol  
99+
10,542.50 kJ/mol  
4
5th Energy Level
5,730.00 kJ/mol  
99+
13,630.00 kJ/mol  
3
6th Energy Level
5,730.00 kJ/mol  
99+
18,020.00 kJ/mol  
3
7th Energy level
5,730.00 kJ/mol  
99+
21,711.00 kJ/mol  
3
8th Energy Level
5,730.00 kJ/mol  
99+
25,661.00 kJ/mol  
3
9th Energy Level
6,340.00 kJ/mol  
99+
31,653.00 kJ/mol  
3
10th Energy Level
5,730.00 kJ/mol  
99+
35,458.00 kJ/mol  
5
11th Energy Level
5,730.00 kJ/mol  
99+
169,988.00 kJ/mol  
1
12th Energy Level
5,730.00 kJ/mol  
99+
189,368.00 kJ/mol  
1
13th Energy Level
5,730.00 kJ/mol  
99+
7,370.00 kJ/mol  
24
14th Energy Level
5,730.00 kJ/mol  
99+
737.70 kJ/mol  
99+
15th Energy Level
57,300.00 kJ/mol  
99+
73,700.00 kJ/mol  
21
16th Energy Level
57,300.00 kJ/mol  
99+
73,770.00 kJ/mol  
16
17th Energy Level
573.30 kJ/mol  
99+
737.70 kJ/mol  
37
18th Energy Level
5,730.00 kJ/mol  
99+
7,370.00 kJ/mol  
27
19th Energy Level
573.30 kJ/mol  
99+
737.70 kJ/mol  
34
20th Energy Level
573.00 kJ/mol  
99+
737.00 kJ/mol  
28
21st Energy Level
5,730.00 kJ/mol  
23
737.70 kJ/mol  
99+
22nd Energy Level
573.00 kJ/mol  
99+
738.00 kJ/mol  
22
23rd Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
99+
24th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
20
25th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
20
26th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
20
27th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
19
28th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
25
29th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
26
30th Energy Level
573.00 kJ/mol  
99+
737.70 kJ/mol  
20
Electrochemical Equivalent
2.02 g/amp-hr  
33
0.45 g/amp-hr  
99+
Electron Work Function
4.30 eV  
25
3.66 eV  
40
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Corrosion, Highly Inflammable, Ionization, Solubility  
Atomic
Atomic Number
66  
99+
12  
99+
Electron Configuration
[Xe] 4f9 6s2  
[Ne] 3s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100  
HCP-Crystal-Structure-of-Magnesium.jpg#100  
Atom
  
  
Number of Protons
66  
99+
12  
99+
Number of Neutrons
96  
36
12  
99+
Number of Electrons
66  
99+
12  
99+
Radius of an Atom
  
  
Atomic Radius
178.00 pm  
18
160.00 pm  
29
Covalent Radius
192.00 pm  
17
141.00 pm  
99+
Van der Waals Radius
229.00 pm  
25
173.00 pm  
99+
Atomic Weight
162.50 amu  
99+
24.31 amu  
99+
Atomic Volume
19.00 cm3/mol  
35
13.97 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Sodium
  
Next Element
Holmium
  
Aluminium
  
Valence Electron Potential
47.40 (-eV)  
33
40.00 (-eV)  
99+
Lattice Constant
359.30 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
1.57  
38
1.62  
15
Mechanical
Density
  
  
Density At Room Temperature
8.54 g/cm3  
99+
1.74 g/cm3  
99+
Density When Liquid (at m.p.)
8.37 g/cm3  
99+
1.58 g/cm3  
99+
Tensile Strength
120.00 MPa  
27
150.00 MPa  
25
Viscosity
0.00  
25
0.00  
24
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
24.70 GPa  
39
17.00 GPa  
99+
Bulk Modulus
40.50 GPa  
36
45.00 GPa  
29
Young's Modulus
61.40 GPa  
35
45.00 GPa  
99+
Poisson Ratio
0.25  
25
0.29  
15
Other Mechanical Properties
Sectile  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.55  
99+
1.74  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
33
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
926.00 nΩ·m  
2
43.90 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.23 106/cm Ω  
7
Electron Affinity
50.00 kJ/mol  
26
0.00 kJ/mol  
99+
Thermal
Specific Heat
0.17 J/(kg K)  
35
1.02 J/(kg K)  
4
Molar Heat Capacity
27.70 J/mol·K  
17
24.87 J/mol·K  
99+
Thermal Conductivity
10.70 W/m·K  
99+
156.00 W/m·K  
8
Critical Temperature
1,680.00 K  
36
923.00 K  
99+
Thermal Expansion
9.90 µm/(m·K)  
99+
24.80 µm/(m·K)  
15
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol  
99+
128.70 kJ/mol  
99+
Enthalpy of Fusion
11.05 kJ/mol  
38
8.95 kJ/mol  
99+
Enthalpy of Atomization
301.00 kJ/mol  
99+
148.50 kJ/mol  
99+
Standard Molar Entropy
75.60 J/mol.K  
7
32.70 J/mol.K  
99+
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