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Yttrium vs Magnesium

Yttrium
Magnesium
Magnesium vs Yttrium


Periodic Table
Symbol
Y   
Mg   
Group Number
3   
15
2   
16
Period Number
5   
3   
Block
d block   
s block   
Element Family
Transition Metal   
Alkaline Earth   
CAS Number
7440655   
25
7439954   
99+
Space Group Name
P63/mmc   
P63/mmc   
Space Group Number
194.00   
5
194.00   
5
Facts
Interesting Facts
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
  • 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
Johan Gadolin   
Joseph Black   
Discovery
In 1794   
In 1755   
Abundance
  
  
Abundance In Universe
7 * 10-7 %   
17
6 * 10-2 %   
2
Abundance In Sun
~0.0000001 %   
26
~0.07 %   
2
Abundance In Meteorites
0.00 %   
21
12.00 %   
2
Abundance In Earth's Crust
0.00 %   
22
2.90 %   
4
Abundance In Oceans
0.00 %   
25
0.13 %   
2
Abundance In Humans
Not Available   
0.03 %   
4
Uses
Uses & Benefits
  • Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
  • It is also used as a catalyst in ethene polymerisation.
  
  • 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
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
Highly Toxic   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
26
37.80 Blood/mg dm-3   
5
In Bone
0.07 p.p.m.   
25
1,800.00 p.p.m.   
4
Physical Properties
Melting Point
1,523.00 °C   
27
650.00 °C   
99+
Boiling Point
3,337.00 °C   
21
1,107.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Gray   
Luster
NA   
NA   
Hardness
  
  
Mohs Hardness
Not Available   
2.50   
14
Brinell Hardness
589.00 MPa   
22
260.00 MPa   
36
Speed of Sound
3,300.00 m/s   
23
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
Y   
Mg   
Isotopes
  
  
Known Isotopes
19   
20
15   
24
Electronegativity
  
  
Pauling Electronegativity
1.22   
38
1.31   
31
Sanderson Electronegativity
0.65   
29
1.32   
18
Allred Rochow Electronegativity
1.11   
29
1.23   
25
Mulliken-Jaffe Electronegativity
Not Available   
1.37   
16
Allen Electronegativity
1.12   
38
1.29   
35
Electropositivity
  
  
Pauling Electropositivity
2.78   
16
2.69   
23
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol   
99+
737.70 kJ/mol   
24
2nd Energy Level
1,180.00 kJ/mol   
99+
1,450.70 kJ/mol   
99+
3rd Energy Level
1,980.00 kJ/mol   
99+
7,732.70 kJ/mol   
5
4th Energy Level
5,847.00 kJ/mol   
10
10,542.50 kJ/mol   
4
5th Energy Level
7,430.00 kJ/mol   
14
13,630.00 kJ/mol   
3
6th Energy Level
8,970.00 kJ/mol   
17
18,020.00 kJ/mol   
3
7th Energy level
11,190.00 kJ/mol   
18
21,711.00 kJ/mol   
3
8th Energy Level
12,450.00 kJ/mol   
18
25,661.00 kJ/mol   
3
9th Energy Level
14,110.00 kJ/mol   
19
31,653.00 kJ/mol   
3
10th Energy Level
18,400.00 kJ/mol   
17
35,458.00 kJ/mol   
5
11th Energy Level
19,900.00 kJ/mol   
18
169,988.00 kJ/mol   
1
12th Energy Level
36,090.00 kJ/mol   
5
189,368.00 kJ/mol   
1
Electrochemical Equivalent
1.11 g/amp-hr   
99+
0.45 g/amp-hr   
99+
Electron Work Function
3.10 eV   
35
3.66 eV   
29
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility   
Corrosion, Highly Inflammable, Ionization, Solubility   
Atomic Properties
Atomic Number
39   
99+
12   
99+
Electron Configuration
[Kr] 4d1 5s2   
[Ne] 3s2   
Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100   
HCP-Crystal-Structure-of-Magnesium.jpg#100   
Atom
  
  
Number of Protons
39   
99+
12   
99+
Number of Neutrons
50   
99+
12   
99+
Number of Electrons
39   
99+
12   
99+
Radius of an Atom
  
  
Atomic Radius
180.00 pm   
14
160.00 pm   
27
Covalent Radius
190.00 pm   
18
141.00 pm   
99+
Van der Waals Radius
200.00 pm   
28
173.00 pm   
37
Atomic Weight
88.91 amu   
99+
24.31 amu   
99+
Atomic Volume
19.80 cm3/mol   
21
13.97 cm3/mol   
37
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Sodium
  
Next Element
Zirconium
  
Aluminium
  
Valence Electron Potential
48.00 (-eV)   
30
40.00 (-eV)   
99+
Lattice Constant
364.74 pm   
31
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   
16
Not Available   
Mechanical Properties
Density
  
  
Density At Room Temperature
4.47 g/cm3   
99+
1.74 g/cm3   
99+
Density When Liquid (at m.p.)
4.24 g/cm3   
99+
1.58 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
32
Not Available   
Vapor Pressure at 2000 K
4.27 (Pa)   
10
Not Available   
Elasticity properties
  
  
Shear Modulus
25.60 GPa   
30
17.00 GPa   
37
Bulk Modulus
41.20 GPa   
30
45.00 GPa   
25
Young's Modulus
63.50 GPa   
32
45.00 GPa   
39
Poisson Ratio
0.24   
26
0.29   
15
Other Mechanical Properties
Ductile   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
4.47   
99+
1.74   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
596.00 nΩ·m   
8
43.90 nΩ·m   
99+
Electrical Conductivity
0.02 106/cm Ω   
99+
0.23 106/cm Ω   
7
Electron Affinity
29.60 kJ/mol   
30
0.00 kJ/mol   
40
Thermal Properties
Specific Heat
0.30 J/(kg K)   
18
1.02 J/(kg K)   
4
Molar Heat Capacity
26.53 J/mol·K   
27
24.87 J/mol·K   
99+
Thermal Conductivity
17.20 W/m·K   
99+
156.00 W/m·K   
8
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
10.60 µm/(m·K)   
37
24.80 µm/(m·K)   
15
Enthalpy
  
  
Enthalpy of Vaporization
393.00 kJ/mol   
18
128.70 kJ/mol   
99+
Enthalpy of Fusion
17.15 kJ/mol   
16
8.95 kJ/mol   
39
Enthalpy of Atomization
418.00 kJ/mol   
18
148.50 kJ/mol   
99+
Standard Molar Entropy
44.40 J/mol.K   
33
32.70 J/mol.K   
99+
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