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Thulium vs Manganese


Manganese vs Thulium


Periodic Table

Symbol
Tm  
Mn  

Group Number
Not Available  
7  
11

Period Number
6  
4  

Block
f block  
d block  

Element Family
Lanthanide  
Transition Metal  

CAS Number
7440304  
99+
7439965  
99+

Space Group Name
P63/mmc  
I_ 43m  

Space Group Number
194.00  
5
217.00  
4

Facts

Interesting Facts
  • Thulium metal can resist corrosion due to dry air .
  • Only Tm-169 isotope of Thulium metal occur naturally.
  
  • Manganese is an essential trace element in all forms of life.
  • Manganese metal oxidizes very easily, but it does not fuse that easily.
  

Sources
Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  

History
  
  

Who Discovered
Per Teodor Cleve  
Johann Gottlieb Gahn  

Discovery
In 1879  
In 1774  

Abundance
  
  

Abundance In Universe
1 * 10-8 %  
30
8 * 10-4 %  
8

Abundance In Sun
~0.00000002 %  
28
~0.001 %  
8

Abundance In Meteorites
0.00 %  
99+
0.27 %  
8

Abundance In Earth's Crust
0.00 %  
99+
0.11 %  
8

Abundance In Oceans
0.00 %  
99+
0.00 %  
13

Abundance In Humans
Not Available  
0.00 %  
13

Uses

Uses & Benefits
  • Thulium metal produces isotopes that emits X-rays. This isotope is used in X-ray machine.
  • Thulium element is also used in Surgical equipment like laser.
  
  • 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.
  

Industrial Uses
NA  
Automobile Industry, Electrical Industry, Electronic Industry  

Medical Uses
NA  
NA  

Other Uses
Alloys, Nuclear Research, Research Purposes  
Alloys  

Biological Properties
  
  

Toxicity
Unknown  
Toxic  

Present in Human Body
No  
Yes  

In Blood
Not Available  
0.08 Blood/mg dm-3  
14

In Bone
Not Available  
100.00 p.p.m.  
8

Physical Properties

Melting Point
1,545.00 °C  
23
1,245.00 °C  
37

Boiling Point
1,730.00 °C  
99+
1,962.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery Gray  
Silver  

Luster
Metallic  
Metallic  

Hardness
  
  

Mohs Hardness
Not Available  
6.00  
6

Brinell Hardness
471.00 MPa  
25
196.00 MPa  
99+

Vickers Hardness
520.00 MPa  
21
Not Available  

Speed of Sound
Not Available  
5,150.00 m/s  
7

Optical Properties
  
  

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
Tm  
Mn  

Isotopes
  
  

Known Isotopes
32  
7
21  
18

Electronegativity
  
  

Pauling Electronegativity
1.25  
35
1.55  
25

Sanderson Electronegativity
Not Available  
2.20  
7

Allred Rochow Electronegativity
1.11  
29
1.60  
9

Allen Electronegativity
Not Available  
1.75  
15

Electropositivity
  
  

Pauling Electropositivity
2.75  
19
2.45  
29

Ionization Energies
  
  

1st Energy Level
596.70 kJ/mol  
99+
717.30 kJ/mol  
30

2nd Energy Level
1,160.00 kJ/mol  
99+
1,509.00 kJ/mol  
39

3rd Energy Level
2,285.00 kJ/mol  
99+
3,248.00 kJ/mol  
21

4th Energy Level
4,120.00 kJ/mol  
33
4,940.00 kJ/mol  
20

5th Energy Level
Not Available  
6,990.00 kJ/mol  
17

6th Energy Level
Not Available  
9,220.00 kJ/mol  
16

7th Energy level
Not Available  
11,500.00 kJ/mol  
16

8th Energy Level
Not Available  
18,770.00 kJ/mol  
5

9th Energy Level
Not Available  
21,400.00 kJ/mol  
6

10th Energy Level
Not Available  
23,960.00 kJ/mol  
9

11th Energy Level
Not Available  
27,590.00 kJ/mol  
10

12th Energy Level
Not Available  
30,330.00 kJ/mol  
10

13th Energy Level
Not Available  
33,150.00 kJ/mol  
11

14th Energy Level
Not Available  
38,880.00 kJ/mol  
10

15th Energy Level
Not Available  
41,987.00 kJ/mol  
13

16th Energy Level
Not Available  
109,480.00 kJ/mol  
1

17th Energy Level
Not Available  
118,100.00 kJ/mol  
2

18th Energy Level
Not Available  
127,100.00 kJ/mol  
3

19th Energy Level
Not Available  
138,600.00 kJ/mol  
4

20th Energy Level
Not Available  
148,500.00 kJ/mol  
6

21st Energy Level
Not Available  
158,600.00 kJ/mol  
6

22nd Energy Level
Not Available  
172,500.00 kJ/mol  
5

23rd Energy Level
Not Available  
181,380.00 kJ/mol  
5

Electrochemical Equivalent
2.10 g/amp-hr  
26
0.29 g/amp-hr  
99+

Electron Work Function
Not Available  
4.10 eV  
25

Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes  

Atomic Properties

Atomic Number
69  
99+
25  
99+

Electron Configuration
[Xe] 4f13 6s2  
[Ar] 3d5 4s2  

Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  

Crystal Lattice
HCP-Crystal-Structure-of-Thulium.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
69  
99+
25  
99+

Number of Neutrons
100  
32
30  
99+

Number of Electrons
69  
99+
25  
99+

Radius of an Atom
  
  

Atomic Radius
176.00 pm  
18
127.00 pm  
99+

Covalent Radius
160.00 pm  
30
139.00 pm  
99+

Van der Waals Radius
Not Available  
200.00 pm  
28

Atomic Weight
168.93 amu  
99+
54.94 amu  
99+

Atomic Volume
18.10 cm3/mol  
28
1.39 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Erbium
  
Chromium
  

Next Element
Ytterbium
  
Iron
  

Valence Electron Potential
49.70 (-eV)  
28
220.00 (-eV)  
2

Lattice Constant
353.75 pm  
40
891.25 pm  
1

Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  

Lattice C/A Ratio
1.57  
17
Not Available  

Mechanical Properties

Density
  
  

Density At Room Temperature
9.32 g/cm3  
40
7.21 g/cm3  
99+

Density When Liquid (at m.p.)
8.56 g/cm3  
24
5.95 g/cm3  
99+

Tensile Strength
Not Available  
Not Available  

Viscosity
Not Available  
Not Available  

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.06 (Pa)  
10
0.00 (Pa)  
12

Elasticity properties
  
  

Shear Modulus
30.50 GPa  
22
Not Available  

Bulk Modulus
44.50 GPa  
26
120.00 GPa  
14

Young's Modulus
74.00 GPa  
27
198.00 GPa  
12

Poisson Ratio
0.21  
31
Not Available  

Other Mechanical Properties
Ductile, Malleable  
NA  

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
9.32  
31
7.21  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
676.00 nΩ·m  
5
1.44 nΩ·m  
99+

Electrical Conductivity
0.02 106/cm Ω  
99+
0.01 106/cm Ω  
99+

Electron Affinity
50.00 kJ/mol  
21
0.00 kJ/mol  
40

Thermal Properties

Specific Heat
0.16 J/(kg K)  
35
0.48 J/(kg K)  
11

Molar Heat Capacity
27.03 J/mol·K  
22
26.32 J/mol·K  
29

Thermal Conductivity
16.90 W/m·K  
99+
7.81 W/m·K  
99+

Critical Temperature
Not Available  
Not Available  

Thermal Expansion
13.30 µm/(m·K)  
29
21.70 µm/(m·K)  
21

Enthalpy
  
  

Enthalpy of Vaporization
191.00 kJ/mol  
99+
219.70 kJ/mol  
99+

Enthalpy of Fusion
16.80 kJ/mol  
17
14.64 kJ/mol  
23

Enthalpy of Atomization
247.00 kJ/mol  
99+
280.30 kJ/mol  
38

Standard Molar Entropy
74.00 J/mol.K  
9
32.00 J/mol.K  
99+

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