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Erbium Copper Comparison

Erbium
Copper
Copper Erbium comparison


Periodic Table
Symbol
Er  
Cu  
Group Number
3  
15
11  
7
Period Number
6  
4  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7440520  
35
7440508  
37
Space Group Name
P63/mmc  
Fm_ 3m  
Space Group Number
194.00  
7
225.00  
3
Facts
Interesting Facts
  • Erbium metal is used as alloyed with Vanadium to make it softer.
  • Recent studies shows that it is helpful for metabolism.
  
  • Copper rarely found in its pure form in nature.
  • Copper Sulfate is mostly used in agricultural poison and as an algicide in water purification system.
  
Sources
Mining  
Found in Minerals  
History
  
  
Who Discovered
Carl Gustaf Mosander  
-  
Discovery
In 1842  
In Middle East (9000 BCE)  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
13
Abundance In Sun
0.00 %  
26
0.00 %  
12
Abundance In Meteorites
0.00 %  
36
0.01 %  
13
Abundance In Earth's Crust
0.00 %  
32
0.01 %  
17
Abundance In Oceans
0.00 %  
36
0.00 %  
8
Abundance In Humans
0.00 %  
24
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.
  
  • It is use for coinage and bullion.
  • Most of copper element is used in manufacturing electrical and electronic equipments such as wirings and components. It is also used in construction and industrial machine.
  
Industrial Uses
Chemical Industry  
Chemical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Alloys  
Alloys, Coinage, Jewellery  
Biological Properties
  
  
Toxicity
Mildly Toxic  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
1.01 Blood/mg dm-3  
8
In Bone
0.00 p.p.m.  
99+
26.00 p.p.m.  
12
Physical
Melting Point
1,522.00 °C  
28
1,084.62 °C  
40
Boiling Point
2,510.00 °C  
99+
2,562.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Copper  
Luster
Lustrous  
-  
Hardness
  
  
Mohs Hardness
1.00  
22
3.00  
13
Brinell Hardness
814.00 MPa  
12
235.00 MPa  
99+
Vickers Hardness
589.00 MPa  
30
343.00 MPa  
99+
Speed of Sound
2,830.00 m/s  
99+
3,810.00 m/s  
26
Optical Properties
  
  
Refractive Index
1.76  
24
1.10  
99+
Reflectivity
36.00 %  
33
90.00 %  
4
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Er  
Cu  
Isotopes
  
  
Known Isotopes
31  
8
29  
10
Electronegativity
  
  
Pauling Electronegativity
1.24  
37
1.90  
12
Sanderson Electronegativity
1.24  
29
1.98  
11
Allred Rochow Electronegativity
1.11  
30
1.75  
4
Mulliken-Jaffe Electronegativity
1.24  
36
1.49  
27
Allen Electronegativity
1.24  
99+
1.85  
12
Electropositivity
  
  
Pauling Electropositivity
2.76  
18
2.10  
99+
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
22
2nd Energy Level
1,150.00 kJ/mol  
99+
1,957.90 kJ/mol  
15
3rd Energy Level
2,194.00 kJ/mol  
99+
3,555.00 kJ/mol  
15
4th Energy Level
4,120.00 kJ/mol  
99+
5,536.00 kJ/mol  
21
5th Energy Level
5,897.00 kJ/mol  
99+
7,700.00 kJ/mol  
17
6th Energy Level
5,897.00 kJ/mol  
99+
9,900.00 kJ/mol  
16
7th Energy level
5,890.00 kJ/mol  
99+
13,400.00 kJ/mol  
7
8th Energy Level
5,890.00 kJ/mol  
99+
16,000.00 kJ/mol  
9
9th Energy Level
4,240.00 kJ/mol  
99+
19,200.00 kJ/mol  
9
10th Energy Level
5,890.00 kJ/mol  
99+
22,400.00 kJ/mol  
11
11th Energy Level
5,890.00 kJ/mol  
99+
25,600.00 kJ/mol  
13
12th Energy Level
5,890.00 kJ/mol  
99+
35,600.00 kJ/mol  
27
13th Energy Level
5,890.00 kJ/mol  
99+
38,700.00 kJ/mol  
6
14th Energy Level
5,890.00 kJ/mol  
37
42,000.00 kJ/mol  
7
15th Energy Level
58,900.00 kJ/mol  
99+
46,700.00 kJ/mol  
99+
16th Energy Level
58,900.00 kJ/mol  
38
50,200.00 kJ/mol  
99+
17th Energy Level
589.30 kJ/mol  
99+
53,700.00 kJ/mol  
12
18th Energy Level
5,890.00 kJ/mol  
99+
61,100.00 kJ/mol  
10
19th Energy Level
589.30 kJ/mol  
99+
64,702.00 kJ/mol  
11
20th Energy Level
589.00 kJ/mol  
99+
163,700.00 kJ/mol  
2
21st Energy Level
5,897.00 kJ/mol  
19
174,100.00 kJ/mol  
2
22nd Energy Level
589.00 kJ/mol  
99+
184,900.00 kJ/mol  
1
23rd Energy Level
589.30 kJ/mol  
99+
198,800.00 kJ/mol  
1
24th Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
19
25th Energy Level
589.00 kJ/mol  
99+
745.50 kJ/mol  
19
26th Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
19
27th Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
18
28th Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
24
29th Energy Level
589.30 kJ/mol  
99+
745.50 kJ/mol  
25
30th Energy Level
589.70 kJ/mol  
99+
745.50 kJ/mol  
19
Electrochemical Equivalent
2.08 g/amp-hr  
32
1.19 g/amp-hr  
99+
Electron Work Function
5.93 eV  
2
4.65 eV  
16
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility  
Chemical Stability, Corrosion, Ionization, Solubility  
Atomic
Atomic Number
68  
99+
29  
99+
Electron Configuration
[Xe] 4f12 6s2  
[Ar] 3d10 4s1  
Crystal Structure
Hexagonal Close Packed (HCP)  
Face Centered Cubic (FCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100  
FCC-Crystal-Structure-of-Copper.jpg#100  
Atom
  
  
Number of Protons
68  
99+
29  
99+
Number of Neutrons
99  
34
35  
99+
Number of Electrons
68  
99+
29  
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
128.00 pm  
99+
Covalent Radius
189.00 pm  
19
132.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
140.00 pm  
99+
Atomic Weight
167.26 amu  
99+
63.55 amu  
99+
Atomic Volume
18.40 cm3/mol  
37
7.10 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Holmium
  
Nickel
  
Next Element
Thulium
  
Zinc
  
Valence Electron Potential
49.00 (-eV)  
30
34.00 (-eV)  
99+
Lattice Constant
355.88 pm  
99+
361.49 pm  
39
Lattice Angles
π/2, π/2, 2 π/3  
π/2, π/2, π/2  
Lattice C/A Ratio
1.57  
40
1.28  
99+
Mechanical
Density
  
  
Density At Room Temperature
9.07 g/cm3  
99+
8.96 g/cm3  
99+
Density When Liquid (at m.p.)
8.86 g/cm3  
99+
8.02 g/cm3  
99+
Tensile Strength
350.00 MPa  
12
210.00 MPa  
19
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
21
1.53 (Pa)  
8
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
28.30 GPa  
31
48.00 GPa  
15
Bulk Modulus
44.40 GPa  
31
140.00 GPa  
12
Young's Modulus
69.90 GPa  
31
120.00 GPa  
19
Poisson Ratio
0.24  
28
0.34  
10
Other Mechanical Properties
Malleable  
Ductile, Malleable  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.07  
99+
8.89  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
19
Susceptibility
0.00  
11
0.00  
31
Electrical Properties
  
  
Electrical Property
Conductor  
Conductor  
Resistivity
0.86 nΩ·m  
99+
16.78 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.60 106/cm Ω  
2
Electron Affinity
50.00 kJ/mol  
26
222.80 kJ/mol  
1
Thermal
Specific Heat
0.17 J/(kg K)  
35
0.38 J/(kg K)  
15
Molar Heat Capacity
28.12 J/mol·K  
14
24.44 J/mol·K  
99+
Thermal Conductivity
14.50 W/m·K  
99+
401.00 W/m·K  
2
Critical Temperature
1,802.00 K  
30
1,358.00 K  
99+
Thermal Expansion
12.20 µm/(m·K)  
99+
16.50 µm/(m·K)  
27
Enthalpy
  
  
Enthalpy of Vaporization
261.00 kJ/mol  
99+
283.70 kJ/mol  
99+
Enthalpy of Fusion
17.20 kJ/mol  
15
7.11 kJ/mol  
99+
Enthalpy of Atomization
314.00 kJ/mol  
99+
338.90 kJ/mol  
39
Standard Molar Entropy
73.10 J/mol.K  
11
33.20 J/mol.K  
99+
Summary >>
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