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Erbium Aluminium Comparison

Erbium
Aluminium
Aluminium Erbium comparison


Periodic Table
Symbol
Er   
Al   
Group Number
Not Available   
13   
5
Period Number
6   
3   
Block
f block   
p block   
Element Family
Lanthanide   
Post-​Transition   
CAS Number
7440520   
35
7429905   
99+
Space Group Name
P63/mmc   
Fm_ 3m   
Space Group Number
194.00   
5
225.00   
2
Facts
Interesting Facts
  • Erbium metal is used as alloyed with Vanadium to make it softer.
  • Recent studies shows that it is helpful for metabolism.
  
  • Aluminum’s abundance percentage is more as it is found in more than 260 minerals.
  • Pure Aluminum always reacts with oxygen rapidly.
  • It is a good conductor of heat and electricity and used in transmission lines.
  
Sources
Mining   
By Electrolysis Process, Earth's crust, Mining   
History
  
  
Who Discovered
Carl Gustaf Mosander   
Hans Christian Oersted   
Discovery
In 1842   
In 1825   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
5 * 10-3 %   
5
Abundance In Sun
~0.0000001 %   
26
~0.006 %   
5
Abundance In Meteorites
0.00 %   
36
0.91 %   
5
Abundance In Earth's Crust
0.00 %   
32
8.10 %   
1
Abundance In Oceans
0.00 %   
36
0.00 %   
6
Abundance In Humans
Not Available   
0.00 %   
10
Uses
Uses & Benefits
  • It has a tendency to get tarnished in the open air, but when alloyed with elements like erbium, vanadium, its hardness levels decreases.
  • Its compounds like Erbium oxide is used in safety glasses of welders and metal workers.
  
  • Aluminum is used in a various products; for example, cans, foils, kitchen utensils, window frames, beer kegs and aero plane parts, automobile parts, etc.
  
Industrial Uses
Chemical Industry   
Aerospace Industry, Ammunition Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing   
Other Uses
Alloys   
Alloys, Jewellery, Sculptures, Statues   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Non Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.39 Blood/mg dm-3   
9
In Bone
Not Available   
27.00 p.p.m.   
11
Physical Properties
Melting Point
1,522.00 °C   
28
660.37 °C   
99+
Boiling Point
2,510.00 °C   
99+
2,467.00 °C   
99+
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silvery Gray   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
2.75   
13
Brinell Hardness
814.00 MPa   
11
160.00 MPa   
99+
Vickers Hardness
589.00 MPa   
19
160.00 MPa   
35
Speed of Sound
2,830.00 m/s   
28
5,000.00 m/s   
10
Optical Properties
  
  
Reflectivity
Not Available   
71.00 %   
10
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
Er   
Al   
Isotopes
  
  
Known Isotopes
31   
8
11   
27
Electronegativity
  
  
Pauling Electronegativity
1.24   
36
1.61   
22
Sanderson Electronegativity
Not Available   
1.71   
13
Allred Rochow Electronegativity
1.11   
29
1.47   
14
Mulliken-Jaffe Electronegativity
Not Available   
1.83   
8
Allen Electronegativity
Not Available   
1.61   
20
Electropositivity
  
  
Pauling Electropositivity
2.76   
18
2.39   
32
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol   
99+
577.50 kJ/mol   
99+
2nd Energy Level
1,150.00 kJ/mol   
99+
1,816.70 kJ/mol   
19
3rd Energy Level
2,194.00 kJ/mol   
99+
2,744.80 kJ/mol   
38
4th Energy Level
4,120.00 kJ/mol   
33
11,577.00 kJ/mol   
3
5th Energy Level
Not Available   
14,842.00 kJ/mol   
2
6th Energy Level
Not Available   
18,379.00 kJ/mol   
2
7th Energy level
Not Available   
23,326.00 kJ/mol   
2
8th Energy Level
Not Available   
27,465.00 kJ/mol   
2
9th Energy Level
Not Available   
31,853.00 kJ/mol   
2
10th Energy Level
Not Available   
38,473.00 kJ/mol   
4
11th Energy Level
Not Available   
42,647.00 kJ/mol   
5
Electrochemical Equivalent
2.08 g/amp-hr   
28
0.34 g/amp-hr   
99+
Electron Work Function
Not Available   
4.28 eV   
19
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Chemical Stability, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
68   
99+
13   
99+
Electron Configuration
[Xe] 4f12 6s2   
[Ne] 3s2 3p1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
FCC-Crystal-Structure-of-Aluminium.jpg#100   
Atom
  
  
Number of Protons
68   
99+
13   
99+
Number of Neutrons
99   
33
14   
99+
Number of Electrons
68   
99+
13   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
143.00 pm   
37
Covalent Radius
189.00 pm   
19
121.00 pm   
99+
Van der Waals Radius
Not Available   
184.00 pm   
34
Atomic Weight
167.26 amu   
99+
26.98 amu   
99+
Atomic Volume
18.40 cm3/mol   
25
10.00 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Holmium
  
Magnesium
  
Next Element
Thulium
  
Potassium
  
Valence Electron Potential
49.00 (-eV)   
29
80.70 (-eV)   
17
Lattice Constant
355.88 pm   
39
404.95 pm   
22
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
9.07 g/cm3   
99+
2.70 g/cm3   
99+
Density When Liquid (at m.p.)
8.86 g/cm3   
23
2.38 g/cm3   
99+
Tensile Strength
Not Available   
40.00 MPa   
19
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
20
0.00 (Pa)   
18
Elasticity properties
  
  
Shear Modulus
28.30 GPa   
25
26.00 GPa   
29
Bulk Modulus
44.40 GPa   
27
76.00 GPa   
18
Young's Modulus
69.90 GPa   
29
70.00 GPa   
28
Poisson Ratio
0.24   
28
0.35   
9
Other Mechanical Properties
Malleable   
Ductile, Malleable   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.07   
32
2.72   
99+
Magnetic Ordering
Paramagnetic   
Paramagnetic   
Permeability
Not Available   
0.00 H/m   
4
Susceptibility
Not Available   
0.00   
3
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
0.86 nΩ·m   
99+
28.20 nΩ·m   
99+
Electrical Conductivity
0.01 106/cm Ω   
99+
0.38 106/cm Ω   
4
Electron Affinity
50.00 kJ/mol   
21
42.50 kJ/mol   
26
Thermal Properties
Specific Heat
0.17 J/(kg K)   
34
0.90 J/(kg K)   
5
Molar Heat Capacity
28.12 J/mol·K   
11
24.20 J/mol·K   
99+
Thermal Conductivity
14.50 W/m·K   
99+
237.00 W/m·K   
4
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
12.20 µm/(m·K)   
31
23.10 µm/(m·K)   
17
Enthalpy
  
  
Enthalpy of Vaporization
261.00 kJ/mol   
35
293.70 kJ/mol   
31
Enthalpy of Fusion
17.20 kJ/mol   
15
10.67 kJ/mol   
35
Enthalpy of Atomization
314.00 kJ/mol   
33
322.20 kJ/mol   
31
Standard Molar Entropy
73.10 J/mol.K   
11
28.30 J/mol.K   
99+
Summary >>
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