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Lithium Scandium Comparison

Lithium
Scandium
Scandium Lithium comparison


Periodic Table
Symbol
Li   
Sc   
Group Number
1   
17
3   
15
Period Number
2   
4   
Block
s block   
d block   
Element Family
Alkali   
Transition Metal   
CAS Number
7439932   
99+
7440202   
99+
Space Group Name
Im_ 3m   
P63/mmc   
Space Group Number
229.00   
1
194.00   
5
Facts
Interesting Facts
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  
Sources
Found in Minerals, Mining   
Found in Minerals, Mining, Ores of metals, Ores of Minerals   
History
  
  
Who Discovered
Johan August Arfwedson   
Lars Fredrik Nilson   
Discovery
In 1817   
In 1879   
Abundance
  
  
Abundance In Universe
6 * 10-7 %   
18
3 * 10-6 %   
15
Abundance In Sun
~0.00017 %   
11
~0.000004 %   
16
Abundance In Meteorites
0.00 %   
22
0.00 %   
18
Abundance In Earth's Crust
0.00 %   
99+
0.00 %   
23
Abundance In Oceans
0.00 %   
15
0.00 %   
32
Abundance In Humans
0.00 %   
16
Not Available   
Uses
Uses & Benefits
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  
  • Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
  • Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry   
Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
NA   
Non Toxic   
Present in Human Body
Yes   
Yes   
In Blood
0.00 Blood/mg dm-3   
27
0.01 Blood/mg dm-3   
22
In Bone
1.30 p.p.m.   
17
0.00 p.p.m.   
34
Physical Properties
Melting Point
180.54 °C   
99+
1,539.00 °C   
24
Boiling Point
1,347.00 °C   
99+
2,832.00 °C   
35
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery White   
Luster
NA   
Lustrous   
Hardness
  
  
Mohs Hardness
0.60   
21
Not Available   
Brinell Hardness
5.00 MPa   
99+
750.00 MPa   
12
Speed of Sound
6,000.00 m/s   
3
Not Available   
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
Li   
Sc   
Isotopes
  
  
Known Isotopes
8   
30
13   
26
Electronegativity
  
  
Pauling Electronegativity
0.98   
99+
1.36   
29
Sanderson Electronegativity
0.89   
26
1.02   
21
Allred Rochow Electronegativity
0.97   
38
1.20   
27
Mulliken-Jaffe Electronegativity
0.97   
19
Not Available   
Allen Electronegativity
0.91   
99+
1.19   
36
Electropositivity
  
  
Pauling Electropositivity
3.02   
8
2.64   
25
Ionization Energies
  
  
1st Energy Level
520.20 kJ/mol   
99+
633.10 kJ/mol   
99+
2nd Energy Level
7,298.10 kJ/mol   
3
1,235.00 kJ/mol   
99+
3rd Energy Level
11,815.00 kJ/mol   
4
2,388.60 kJ/mol   
99+
4th Energy Level
Not Available   
7,090.60 kJ/mol   
6
5th Energy Level
Not Available   
8,843.00 kJ/mol   
6
6th Energy Level
Not Available   
10,679.00 kJ/mol   
7
7th Energy level
Not Available   
13,310.00 kJ/mol   
8
8th Energy Level
Not Available   
15,250.00 kJ/mol   
11
9th Energy Level
Not Available   
17,370.00 kJ/mol   
14
10th Energy Level
Not Available   
21,726.00 kJ/mol   
13
11th Energy Level
Not Available   
24,102.00 kJ/mol   
16
12th Energy Level
Not Available   
66,320.00 kJ/mol   
2
13th Energy Level
Not Available   
73,010.00 kJ/mol   
2
14th Energy Level
Not Available   
80,160.00 kJ/mol   
3
15th Energy Level
Not Available   
89,490.00 kJ/mol   
4
16th Energy Level
Not Available   
97,400.00 kJ/mol   
5
17th Energy Level
Not Available   
105,600.00 kJ/mol   
6
18th Energy Level
Not Available   
117,000.00 kJ/mol   
7
19th Energy Level
Not Available   
124,270.00 kJ/mol   
8
Electrochemical Equivalent
0.26 g/amp-hr   
99+
0.56 g/amp-hr   
99+
Electron Work Function
2.90 eV   
37
3.50 eV   
31
Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes   
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Atomic Properties
Atomic Number
3   
99+
21   
99+
Electron Configuration
[He] 2s1   
[Ar] 3d1 4s2   
Crystal Structure
Body Centered Cubic (BCC)   
Hexagonal Close Packed (HCP)   
Crystal Lattice
BCC-Crystal-Structure-.jpg#100   
HCP-Crystal-Structure-of-Scandium.jpg#100   
Atom
  
  
Number of Protons
3   
99+
21   
99+
Number of Neutrons
4   
99+
24   
99+
Number of Electrons
3   
99+
21   
99+
Radius of an Atom
  
  
Atomic Radius
152.00 pm   
31
162.00 pm   
26
Covalent Radius
128.00 pm   
99+
170.00 pm   
25
Van der Waals Radius
182.00 pm   
35
211.00 pm   
25
Atomic Weight
6.94 amu   
99+
44.96 amu   
99+
Atomic Volume
13.10 cm3/mol   
39
15.00 cm3/mol   
34
Adjacent Atomic Numbers
  
  
Previous Element
No Previous Element   
Calcium
  
Next Element
Beryllium
  
Titanium
  
Valence Electron Potential
19.00 (-eV)   
99+
58.00 (-eV)   
24
Lattice Constant
351.00 pm   
99+
330.90 pm   
99+
Lattice Angles
π/2, π/2, π/2   
π/2, π/2, 2 π/3   
Lattice C/A Ratio
Not Available   
1.59   
7
Mechanical Properties
Density
  
  
Density At Room Temperature
0.53 g/cm3   
99+
2.99 g/cm3   
99+
Density When Liquid (at m.p.)
0.51 g/cm3   
99+
2.80 g/cm3   
99+
Tensile Strength
Not Available   
Not Available   
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
109.00 (Pa)   
2
0.00 (Pa)   
22
Vapor Pressure at 2000 K
Not Available   
91.30 (Pa)   
3
Elasticity properties
  
  
Shear Modulus
4.20 GPa   
99+
29.10 GPa   
24
Bulk Modulus
11.00 GPa   
99+
56.60 GPa   
21
Young's Modulus
4.90 GPa   
99+
74.40 GPa   
26
Poisson Ratio
Not Available   
0.28   
18
Other Mechanical Properties
NA   
NA   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
0.53   
99+
2.99   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
92.80 nΩ·m   
33
562.00 nΩ·m   
10
Electrical Conductivity
0.11 106/cm Ω   
19
0.02 106/cm Ω   
99+
Electron Affinity
59.60 kJ/mol   
16
18.10 kJ/mol   
33
Thermal Properties
Specific Heat
3.60 J/(kg K)   
1
0.60 J/(kg K)   
8
Molar Heat Capacity
24.86 J/mol·K   
99+
25.52 J/mol·K   
37
Thermal Conductivity
84.80 W/m·K   
20
15.80 W/m·K   
99+
Critical Temperature
3,223.00 K   
1
Not Available   
Thermal Expansion
46.00 µm/(m·K)   
7
10.20 µm/(m·K)   
39
Enthalpy
  
  
Enthalpy of Vaporization
134.70 kJ/mol   
99+
314.20 kJ/mol   
28
Enthalpy of Fusion
3.00 kJ/mol   
99+
14.10 kJ/mol   
25
Enthalpy of Atomization
160.70 kJ/mol   
99+
343.00 kJ/mol   
28
Standard Molar Entropy
29.10 J/mol.K   
99+
34.60 J/mol.K   
99+
Summary >>
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