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Manganese vs Yttrium

Manganese
Yttrium
Yttrium vs Manganese


Periodic Table
Symbol
Mn  
Y  
Group Number
7  
11
3  
15
Period Number
4  
5  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7439965  
99+
7440655  
25
Space Group Name
I_ 43m  
P63/mmc  
Space Group Number
217.00  
5
194.00  
7
Facts
Interesting Facts
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Johann Gottlieb Gahn  
Johan Gadolin  
Discovery
In 1774  
In 1794  
Abundance
  
  
Abundance In Universe
0.00 %  
9
0.00 %  
18
Abundance In Sun
0.00 %  
8
0.00 %  
26
Abundance In Meteorites
0.27 %  
8
0.00 %  
21
Abundance In Earth's Crust
0.11 %  
8
0.00 %  
22
Abundance In Oceans
0.00 %  
13
0.00 %  
25
Abundance In Humans
0.00 %  
15
0.00 %  
24
Uses
Uses & Benefits
  • This metal is very brittle hence it mostly not used as a pure metal, but its alloys are very useful
  • Its alloy Manganese steel is extremely strong and used in railway tracks, safes, prison bars and riffle barrels.
  
  • 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.
  
Industrial Uses
Automobile Industry, Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Toxic  
Highly Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.08 Blood/mg dm-3  
14
0.00 Blood/mg dm-3  
26
In Bone
100.00 p.p.m.  
8
0.07 p.p.m.  
30
Physical
Melting Point
1,245.00 °C  
37
1,523.00 °C  
27
Boiling Point
1,962.00 °C  
99+
3,337.00 °C  
22
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
6.00  
6
4.00  
11
Brinell Hardness
196.00 MPa  
99+
589.00 MPa  
26
Vickers Hardness
196.00 MPa  
99+
590.00 MPa  
29
Speed of Sound
5,150.00 m/s  
11
3,300.00 m/s  
34
Optical Properties
  
  
Refractive Index
2.00  
15
1.90  
18
Reflectivity
70.00 %  
13
83.00 %  
6
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Mn  
Y  
Isotopes
  
  
Known Isotopes
21  
18
19  
20
Electronegativity
  
  
Pauling Electronegativity
1.55  
26
1.22  
39
Sanderson Electronegativity
2.20  
8
0.65  
99+
Allred Rochow Electronegativity
1.60  
10
1.11  
30
Mulliken-Jaffe Electronegativity
1.55  
23
1.22  
38
Allen Electronegativity
1.75  
18
1.12  
99+
Electropositivity
  
  
Pauling Electropositivity
2.45  
29
2.78  
16
Ionization Energies
  
  
1st Energy Level
717.30 kJ/mol  
30
600.00 kJ/mol  
99+
2nd Energy Level
1,509.00 kJ/mol  
40
1,180.00 kJ/mol  
99+
3rd Energy Level
3,248.00 kJ/mol  
21
1,980.00 kJ/mol  
99+
4th Energy Level
4,940.00 kJ/mol  
30
5,847.00 kJ/mol  
19
5th Energy Level
6,990.00 kJ/mol  
29
7,430.00 kJ/mol  
22
6th Energy Level
9,220.00 kJ/mol  
22
8,970.00 kJ/mol  
23
7th Energy level
11,500.00 kJ/mol  
16
11,190.00 kJ/mol  
18
8th Energy Level
18,770.00 kJ/mol  
5
12,450.00 kJ/mol  
18
9th Energy Level
21,400.00 kJ/mol  
6
14,110.00 kJ/mol  
19
10th Energy Level
23,960.00 kJ/mol  
9
18,400.00 kJ/mol  
17
11th Energy Level
27,590.00 kJ/mol  
10
19,900.00 kJ/mol  
18
12th Energy Level
30,330.00 kJ/mol  
32
36,090.00 kJ/mol  
25
13th Energy Level
33,150.00 kJ/mol  
11
6,000.00 kJ/mol  
99+
14th Energy Level
38,880.00 kJ/mol  
10
6,000.00 kJ/mol  
33
15th Energy Level
41,987.00 kJ/mol  
99+
60,000.00 kJ/mol  
99+
16th Energy Level
109,480.00 kJ/mol  
1
60,000.00 kJ/mol  
34
17th Energy Level
118,100.00 kJ/mol  
2
600.00 kJ/mol  
99+
18th Energy Level
127,100.00 kJ/mol  
3
6,000.00 kJ/mol  
99+
19th Energy Level
138,600.00 kJ/mol  
4
600.00 kJ/mol  
99+
20th Energy Level
148,500.00 kJ/mol  
6
600.00 kJ/mol  
99+
21st Energy Level
158,600.00 kJ/mol  
6
600.00 kJ/mol  
99+
22nd Energy Level
172,500.00 kJ/mol  
5
600.00 kJ/mol  
99+
23rd Energy Level
181,380.00 kJ/mol  
5
600.00 kJ/mol  
99+
24th Energy Level
650.90 kJ/mol  
34
600.00 kJ/mol  
99+
25th Energy Level
717.30 kJ/mol  
24
600.00 kJ/mol  
99+
26th Energy Level
650.90 kJ/mol  
35
604.50 kJ/mol  
99+
27th Energy Level
650.90 kJ/mol  
36
604.50 kJ/mol  
99+
28th Energy Level
650.90 kJ/mol  
99+
604.50 kJ/mol  
99+
29th Energy Level
650.90 kJ/mol  
99+
604.50 kJ/mol  
99+
30th Energy Level
650.90 kJ/mol  
38
604.50 kJ/mol  
99+
Electrochemical Equivalent
0.29 g/amp-hr  
99+
1.11 g/amp-hr  
99+
Electron Work Function
4.10 eV  
32
3.10 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes  
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
25  
99+
39  
99+
Electron Configuration
[Ar] 3d5 4s2  
[Kr] 4d1 5s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Yttrium.jpg#100  
Atom
  
  
Number of Protons
25  
99+
39  
99+
Number of Neutrons
30  
99+
50  
99+
Number of Electrons
25  
99+
39  
99+
Radius of an Atom
  
  
Atomic Radius
127.00 pm  
99+
180.00 pm  
16
Covalent Radius
139.00 pm  
99+
190.00 pm  
18
Van der Waals Radius
200.00 pm  
35
200.00 pm  
35
Atomic Weight
54.94 amu  
99+
88.91 amu  
99+
Atomic Volume
1.39 cm3/mol  
99+
19.80 cm3/mol  
33
Adjacent Atomic Numbers
  
  
Previous Element
Chromium
  
Strontium
  
Next Element
Iron
  
Zirconium
  
Valence Electron Potential
220.00 (-eV)  
2
48.00 (-eV)  
31
Lattice Constant
891.25 pm  
1
364.74 pm  
34
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.55  
99+
1.57  
39
Mechanical
Density
  
  
Density At Room Temperature
7.21 g/cm3  
99+
4.47 g/cm3  
99+
Density When Liquid (at m.p.)
5.95 g/cm3  
99+
4.24 g/cm3  
99+
Tensile Strength
370.00 MPa  
11
160.00 MPa  
22
Viscosity
0.00  
2
0.00  
18
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
12
0.00 (Pa)  
34
Vapor Pressure at 2000 K
0.00 (Pa)  
30
4.27 (Pa)  
10
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
25.60 GPa  
37
Bulk Modulus
120.00 GPa  
14
41.20 GPa  
35
Young's Modulus
198.00 GPa  
13
63.50 GPa  
34
Poisson Ratio
0.30  
14
0.24  
26
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.21  
99+
4.47  
99+
Magnetic Ordering
Paramagnetic  
Paramagnetic  
Permeability
0.00 H/m  
7
0.00 H/m  
18
Susceptibility
0.00  
12
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
1.44 nΩ·m  
99+
596.00 nΩ·m  
8
Electrical Conductivity
0.01 106/cm Ω  
99+
0.02 106/cm Ω  
99+
Electron Affinity
0.00 kJ/mol  
99+
29.60 kJ/mol  
36
Thermal
Specific Heat
0.48 J/(kg K)  
11
0.30 J/(kg K)  
18
Molar Heat Capacity
26.32 J/mol·K  
37
26.53 J/mol·K  
35
Thermal Conductivity
7.81 W/m·K  
99+
17.20 W/m·K  
99+
Critical Temperature
1,519.00 K  
40
1,799.00 K  
31
Thermal Expansion
21.70 µm/(m·K)  
22
10.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
219.70 kJ/mol  
99+
393.00 kJ/mol  
25
Enthalpy of Fusion
14.64 kJ/mol  
25
17.15 kJ/mol  
16
Enthalpy of Atomization
280.30 kJ/mol  
99+
418.00 kJ/mol  
23
Standard Molar Entropy
32.00 J/mol.K  
99+
44.40 J/mol.K  
99+
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