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Erbium vs Nickel

Erbium
Nickel
Nickel vs Erbium


Periodic Table
Symbol
Er   
Ni   
Group Number
Not Available   
10   
8
Period Number
6   
4   
Block
f block   
d block   
Element Family
Lanthanide   
Transition Metal   
CAS Number
7440520   
35
7440020   
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.
  
  • Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
  • After iron, Zinc metal the second most abundant element in the earth crust.
  
Sources
Mining   
Found in Minerals, Mining, Ores of Minerals   
History
  
  
Who Discovered
Carl Gustaf Mosander   
Axel Fredrik Cronstedt   
Discovery
In 1842   
In 1751   
Abundance
  
  
Abundance In Universe
2 * 10-7 %   
22
6 * 10-3 %   
4
Abundance In Sun
~0.0000001 %   
26
~0.008 %   
3
Abundance In Meteorites
0.00 %   
36
1.30 %   
3
Abundance In Earth's Crust
0.00 %   
32
0.01 %   
15
Abundance In Oceans
0.00 %   
36
0.00 %   
13
Abundance In Humans
Not Available   
0.00 %   
14
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 has corrosion resistance and hence it is used to plate other metals.
  • Its alloys are very useful; Nichrome alloy is used in the hot coil of toasters and electric oven.
  
Industrial Uses
Chemical Industry   
Automobile Industry, Electrical Industry, Electronic Industry   
Medical Uses
NA   
NA   
Other Uses
Alloys   
Alloys   
Biological Properties
  
  
Toxicity
Mildly Toxic   
Toxic   
Present in Human Body
No   
Yes   
In Blood
Not Available   
0.05 Blood/mg dm-3   
17
In Bone
Not Available   
0.70 p.p.m.   
18
Physical Properties
Melting Point
1,522.00 °C   
28
1,453.00 °C   
31
Boiling Point
2,510.00 °C   
99+
2,732.00 °C   
38
Appearance
  
  
Physical State
Solid   
Solid   
Color
Silvery White   
Silver   
Luster
Lustrous   
Metallic   
Hardness
  
  
Mohs Hardness
Not Available   
4.00   
10
Brinell Hardness
814.00 MPa   
11
667.00 MPa   
18
Vickers Hardness
589.00 MPa   
19
638.00 MPa   
16
Speed of Sound
2,830.00 m/s   
28
4,900.00 m/s   
12
Optical Properties
  
  
Reflectivity
Not Available   
72.00 %   
9
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   
Ni   
Isotopes
  
  
Known Isotopes
31   
8
25   
14
Electronegativity
  
  
Pauling Electronegativity
1.24   
36
1.91   
10
Sanderson Electronegativity
Not Available   
1.94   
10
Allred Rochow Electronegativity
1.11   
29
1.75   
3
Allen Electronegativity
Not Available   
1.88   
6
Electropositivity
  
  
Pauling Electropositivity
2.76   
18
2.09   
99+
Ionization Energies
  
  
1st Energy Level
589.30 kJ/mol   
99+
737.10 kJ/mol   
25
2nd Energy Level
1,150.00 kJ/mol   
99+
1,753.00 kJ/mol   
25
3rd Energy Level
2,194.00 kJ/mol   
99+
3,395.00 kJ/mol   
17
4th Energy Level
4,120.00 kJ/mol   
33
5,300.00 kJ/mol   
15
5th Energy Level
Not Available   
7,339.00 kJ/mol   
15
6th Energy Level
Not Available   
10,400.00 kJ/mol   
9
7th Energy level
Not Available   
12,800.00 kJ/mol   
10
8th Energy Level
Not Available   
15,600.00 kJ/mol   
10
9th Energy Level
Not Available   
18,600.00 kJ/mol   
10
10th Energy Level
Not Available   
21,670.00 kJ/mol   
14
11th Energy Level
Not Available   
30,970.00 kJ/mol   
7
12th Energy Level
Not Available   
34,000.00 kJ/mol   
7
13th Energy Level
Not Available   
37,100.00 kJ/mol   
7
14th Energy Level
Not Available   
41,500.00 kJ/mol   
8
15th Energy Level
Not Available   
44,800.00 kJ/mol   
10
16th Energy Level
Not Available   
48,100.00 kJ/mol   
12
17th Energy Level
Not Available   
55,101.00 kJ/mol   
11
18th Energy Level
Not Available   
58,570.00 kJ/mol   
12
19th Energy Level
Not Available   
148,700.00 kJ/mol   
1
20th Energy Level
Not Available   
159,000.00 kJ/mol   
3
21st Energy Level
Not Available   
169,400.00 kJ/mol   
3
22nd Energy Level
Not Available   
182,700.00 kJ/mol   
2
23rd Energy Level
Not Available   
194,000.00 kJ/mol   
2
Electrochemical Equivalent
2.08 g/amp-hr   
28
1.10 g/amp-hr   
99+
Electron Work Function
Not Available   
5.15 eV   
2
Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility   
Anti Corrosion, Ionization, Radioactive Isotopes   
Atomic Properties
Atomic Number
68   
99+
28   
99+
Electron Configuration
[Xe] 4f12 6s2   
[Ar] 3d8 4s2 Or [Ar] 3d9 4s1   
Crystal Structure
Hexagonal Close Packed (HCP)   
Face Centered Cubic (FCC)   
Crystal Lattice
HCP-Crystal-Structure-of-Erbium.jpg#100   
FCC-Crystal-Structure-of-Nickel.jpg#100   
Atom
  
  
Number of Protons
68   
99+
28   
99+
Number of Neutrons
99   
33
31   
99+
Number of Electrons
68   
99+
28   
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm   
18
124.00 pm   
99+
Covalent Radius
189.00 pm   
19
124.00 pm   
99+
Van der Waals Radius
Not Available   
163.00 pm   
40
Atomic Weight
167.26 amu   
99+
58.69 amu   
99+
Atomic Volume
18.40 cm3/mol   
25
6.59 cm3/mol   
99+
Adjacent Atomic Numbers
  
  
Previous Element
Holmium
  
Cobalt
  
Next Element
Thulium
  
Copper
  
Valence Electron Potential
49.00 (-eV)   
29
42.00 (-eV)   
99+
Lattice Constant
355.88 pm   
39
352.40 pm   
99+
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+
8.91 g/cm3   
99+
Density When Liquid (at m.p.)
8.86 g/cm3   
23
7.81 g/cm3   
29
Tensile Strength
Not Available   
345.00 MPa   
11
Viscosity
Not Available   
Not Available   
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)   
20
0.00 (Pa)   
31
Vapor Pressure at 2000 K
Not Available   
19.50 (Pa)   
6
Elasticity properties
  
  
Shear Modulus
28.30 GPa   
25
76.00 GPa   
12
Bulk Modulus
44.40 GPa   
27
180.00 GPa   
9
Young's Modulus
69.90 GPa   
29
200.00 GPa   
11
Poisson Ratio
0.24   
28
0.31   
13
Other Mechanical Properties
Malleable   
Ductile   
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
9.07   
32
8.90   
33
Magnetic Ordering
Paramagnetic   
Ferromagnetic   
Permeability
Not Available   
0.00 H/m   
2
Susceptibility
Not Available   
600.00   
2
Electrical Properties
  
  
Electrical Property
Conductor   
Conductor   
Resistivity
0.86 nΩ·m   
99+
69.30 nΩ·m   
39
Electrical Conductivity
0.01 106/cm Ω   
99+
0.14 106/cm Ω   
13
Electron Affinity
50.00 kJ/mol   
21
112.00 kJ/mol   
6
Thermal Properties
Specific Heat
0.17 J/(kg K)   
34
0.44 J/(kg K)   
13
Molar Heat Capacity
28.12 J/mol·K   
11
26.07 J/mol·K   
31
Thermal Conductivity
14.50 W/m·K   
99+
90.90 W/m·K   
18
Critical Temperature
Not Available   
Not Available   
Thermal Expansion
12.20 µm/(m·K)   
31
13.40 µm/(m·K)   
28
Enthalpy
  
  
Enthalpy of Vaporization
261.00 kJ/mol   
35
371.80 kJ/mol   
20
Enthalpy of Fusion
17.20 kJ/mol   
15
17.57 kJ/mol   
14
Enthalpy of Atomization
314.00 kJ/mol   
33
422.60 kJ/mol   
17
Standard Molar Entropy
73.10 J/mol.K   
11
29.90 J/mol.K   
99+
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