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Lutetium vs Lithium


Lithium vs Lutetium


Periodic Table

Symbol
Lu  
Li  

Group Number
3  
15
1  
17

Period Number
6  
2  

Block
f block  
s block  

Element Family
Lanthanide  
Alkali  

CAS Number
7439943  
99+
7439932  
99+

Space Group Name
P63/mmc  
Im_ 3m  

Space Group Number
194.00  
7
229.00  
2

Facts

Interesting Facts
  • Metal dust of Lutetium element is highly explosive.
  • Lutetium metal is corrosion resistance and acts stable in air.
  
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  

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

History
  
  

Who Discovered
Georges Urbain and Carl Auer von Welsbach  
Johan August Arfwedson  

Discovery
In 1906  
In 1817  

Abundance
  
  

Abundance In Universe
0.00 %  
31
0.00 %  
19

Abundance In Sun
0.00 %  
26
0.00 %  
11

Abundance In Meteorites
0.00 %  
99+
0.00 %  
22

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

Abundance In Oceans
0.00 %  
99+
0.00 %  
15

Abundance In Humans
0.00 %  
24
0.00 %  
19

Uses

Uses & Benefits
  • Lutetium metal is used outside research. It has commercial uses like Industrial catalyst for cracking oil refineries of hydrocarbons .
  
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  

Industrial Uses
-  
Aerospace Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Alloys  
Alloys  

Biological Properties
  
  

Toxicity
Low Toxic  
-  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
37
0.00 Blood/mg dm-3  
27

In Bone
0.00 p.p.m.  
99+
1.30 p.p.m.  
18

Physical

Melting Point
1,652.00 °C  
19
180.54 °C  
99+

Boiling Point
3,402.00 °C  
20
1,347.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery White  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
4.50  
10
0.60  
23

Brinell Hardness
893.00 MPa  
11
5.00 MPa  
99+

Vickers Hardness
1,160.00 MPa  
14
5.30 MPa  
99+

Speed of Sound
5,200.00 m/s  
10
6,000.00 m/s  
6

Optical Properties
  
  

Refractive Index
1.90  
18
1.35  
99+

Reflectivity
60.00 %  
23
95.00 %  
2

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Lu  
Li  

Isotopes
  
  

Known Isotopes
35  
4
8  
30

Electronegativity
  
  

Pauling Electronegativity
1.27  
35
0.98  
99+

Sanderson Electronegativity
1.27  
27
0.89  
99+

Allred Rochow Electronegativity
1.14  
29
0.97  
39

Mulliken-Jaffe Electronegativity
1.27  
34
0.97  
99+

Allen Electronegativity
1.27  
99+
0.91  
99+

Electropositivity
  
  

Pauling Electropositivity
2.73  
20
3.02  
8

Ionization Energies
  
  

1st Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

2nd Energy Level
1,340.00 kJ/mol  
99+
7,298.10 kJ/mol  
3

3rd Energy Level
2,022.30 kJ/mol  
99+
11,815.00 kJ/mol  
4

4th Energy Level
4,370.00 kJ/mol  
38
520.20 kJ/mol  
99+

5th Energy Level
6,445.00 kJ/mol  
34
5,200.00 kJ/mol  
99+

6th Energy Level
5,230.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

7th Energy level
5,230.00 kJ/mol  
99+
5,202.00 kJ/mol  
99+

8th Energy Level
5,230.00 kJ/mol  
99+
730.00 kJ/mol  
99+

9th Energy Level
5,230.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

10th Energy Level
5,230.00 kJ/mol  
99+
520.00 kJ/mol  
99+

11th Energy Level
5,235.00 kJ/mol  
99+
5,202.00 kJ/mol  
99+

12th Energy Level
5,230.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

13th Energy Level
5,230.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

14th Energy Level
5,230.00 kJ/mol  
99+
520.20 kJ/mol  
99+

15th Energy Level
52,300.00 kJ/mol  
99+
52,000.00 kJ/mol  
99+

16th Energy Level
52,300.00 kJ/mol  
99+
52,000.00 kJ/mol  
99+

17th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

18th Energy Level
5,230.00 kJ/mol  
99+
520.00 kJ/mol  
99+

19th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

20th Energy Level
523.00 kJ/mol  
99+
520.00 kJ/mol  
99+

21st Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

22nd Energy Level
523.00 kJ/mol  
99+
520.00 kJ/mol  
99+

23rd Energy Level
5,230.00 kJ/mol  
28
520.20 kJ/mol  
99+

24th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

25th Energy Level
523.00 kJ/mol  
99+
520.00 kJ/mol  
99+

26th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

27th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

28th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

29th Energy Level
523.50 kJ/mol  
99+
520.20 kJ/mol  
99+

30th Energy Level
523.00 kJ/mol  
99+
520.00 kJ/mol  
99+

Electrochemical Equivalent
2.18 g/amp-hr  
27
0.26 g/amp-hr  
99+

Electron Work Function
3.30 eV  
99+
2.90 eV  
99+

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Corrosion, Flammable, Ionization, Radioactive Isotopes  

Atomic

Atomic Number
71  
99+
3  
99+

Electron Configuration
[Xe] 6s2 4f14 5d1  
[He] 2s1  

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

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  

Atom
  
  

Number of Protons
71  
99+
3  
99+

Number of Neutrons
104  
31
4  
99+

Number of Electrons
71  
99+
3  
99+

Radius of an Atom
  
  

Atomic Radius
174.00 pm  
22
152.00 pm  
33

Covalent Radius
187.00 pm  
20
128.00 pm  
99+

Van der Waals Radius
221.00 pm  
27
182.00 pm  
99+

Atomic Weight
174.97 amu  
40
6.94 amu  
99+

Atomic Volume
17.78 cm3/mol  
99+
13.10 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Ytterbium
  
No Previous Element  

Next Element
Hafnium
  
Beryllium
  

Valence Electron Potential
50.90 (-eV)  
27
19.00 (-eV)  
99+

Lattice Constant
350.31 pm  
99+
351.00 pm  
99+

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

Lattice C/A Ratio
1.59  
32
1.62  
16

Mechanical

Density
  
  

Density At Room Temperature
9.84 g/cm3  
99+
0.53 g/cm3  
99+

Density When Liquid (at m.p.)
9.30 g/cm3  
99+
0.51 g/cm3  
99+

Tensile Strength
230.00 MPa  
18
60.00 MPa  
35

Viscosity
0.00  
25
0.00  
10

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
35
109.00 (Pa)  
2

Vapor Pressure at 2000 K
3.18 (Pa)  
11
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
27.20 GPa  
33
4.20 GPa  
99+

Bulk Modulus
47.60 GPa  
25
11.00 GPa  
99+

Young's Modulus
68.60 GPa  
32
4.90 GPa  
99+

Poisson Ratio
0.26  
21
0.36  
8

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
9.84  
99+
0.53  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
9
0.00 H/m  
11

Susceptibility
0.00  
14
0.00  
16

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
582.00 nΩ·m  
9
92.80 nΩ·m  
33

Electrical Conductivity
0.02 106/cm Ω  
99+
0.11 106/cm Ω  
22

Electron Affinity
50.00 kJ/mol  
26
59.60 kJ/mol  
20

Thermal

Specific Heat
0.15 J/(kg K)  
37
3.60 J/(kg K)  
1

Molar Heat Capacity
26.86 J/mol·K  
31
24.86 J/mol·K  
99+

Thermal Conductivity
16.40 W/m·K  
99+
84.80 W/m·K  
20

Critical Temperature
1,925.00 K  
23
3,223.00 K  
5

Thermal Expansion
9.90 µm/(m·K)  
99+
46.00 µm/(m·K)  
7

Enthalpy
  
  

Enthalpy of Vaporization
355.90 kJ/mol  
32
134.70 kJ/mol  
99+

Enthalpy of Fusion
18.70 kJ/mol  
13
3.00 kJ/mol  
99+

Enthalpy of Atomization
398.00 kJ/mol  
26
160.70 kJ/mol  
99+

Standard Molar Entropy
51.00 J/mol.K  
99+
29.10 J/mol.K  
99+

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