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Dysprosium vs Bismuth

Dysprosium
Bismuth
Bismuth vs Dysprosium


Periodic Table
Symbol
Dy  
Bi  
Group Number
3  
15
15  
3
Period Number
6  
6  
Block
f block  
p block  
Element Family
Lanthanide  
Post-​Transition  
CAS Number
7429916  
99+
7440699  
22
Space Group Name
P63/mmc  
C12/m1  
Space Group Number
194.00  
7
12.00  
15
Facts
Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Bismuth metal is soluble and reacts with concentrated nitric acid.
  • It oxides are used as a yellow pigment in paint. Bismuth chloride oxide BiClO gives a pearly texture to cosmetics.
  
Sources
Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lecoq de Boisbaudran  
Claude François Geoffroy  
Discovery
In 1886  
In 1753  
Abundance
  
  
Abundance In Universe
0.00 %  
23
0.00 %  
26
Abundance In Sun
0.00 %  
25
0.00 %  
14
Abundance In Meteorites
0.00 %  
33
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
28
0.00 %  
99+
Abundance In Oceans
0.00 %  
35
0.00 %  
24
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
  • Thi metals alloy is used in magnate as it is resistance to high temperature.
  
  • Tin and bismuth alloys have a very low melting point and hence it is used in fire detector and the fire extinguishers. It also used in electric solders and fuses.
  
Industrial Uses
-  
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry  
Medical Uses
-  
Pharmaceutical Industry  
Other Uses
Alloys, Nuclear Research  
Alloys  
Biological Properties
  
  
Toxicity
Mildly Toxic  
Low Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.02 Blood/mg dm-3  
20
In Bone
0.00 p.p.m.  
99+
0.20 p.p.m.  
27
Physical
Melting Point
1,407.00 °C  
32
271.30 °C  
99+
Boiling Point
2,562.00 °C  
99+
1,560.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silver  
Luster
Metallic  
Metallic  
Hardness
  
  
Mohs Hardness
5.00  
8
2.25  
16
Brinell Hardness
500.00 MPa  
28
70.00 MPa  
99+
Vickers Hardness
540.00 MPa  
32
30.00 MPa  
99+
Speed of Sound
2,710.00 m/s  
99+
1,790.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.78  
23
2.50  
5
Reflectivity
35.00 %  
34
70.00 %  
13
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Dy  
Bi  
Isotopes
  
  
Known Isotopes
29  
10
33  
6
Electronegativity
  
  
Pauling Electronegativity
1.22  
39
2.02  
7
Sanderson Electronegativity
1.22  
31
2.34  
3
Allred Rochow Electronegativity
1.10  
31
1.67  
7
Mulliken-Jaffe Electronegativity
1.22  
38
2.15  
8
Allen Electronegativity
1.22  
99+
2.01  
5
Electropositivity
  
  
Pauling Electropositivity
2.78  
16
1.98  
99+
Ionization Energies
  
  
1st Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
35
2nd Energy Level
1,130.00 kJ/mol  
99+
1,610.00 kJ/mol  
34
3rd Energy Level
2,200.00 kJ/mol  
99+
2,466.00 kJ/mol  
99+
4th Energy Level
3,990.00 kJ/mol  
99+
4,370.00 kJ/mol  
38
5th Energy Level
5,730.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
6th Energy Level
5,730.00 kJ/mol  
99+
8,520.00 kJ/mol  
29
7th Energy level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+
8th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
37
9th Energy Level
6,340.00 kJ/mol  
99+
7,030.00 kJ/mol  
34
10th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
38
11th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
36
12th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
99+
13th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
32
14th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
22
15th Energy Level
57,300.00 kJ/mol  
99+
70,300.00 kJ/mol  
28
16th Energy Level
57,300.00 kJ/mol  
99+
70,300.00 kJ/mol  
23
17th Energy Level
573.30 kJ/mol  
99+
703.00 kJ/mol  
99+
18th Energy Level
5,730.00 kJ/mol  
99+
7,030.00 kJ/mol  
34
19th Energy Level
573.30 kJ/mol  
99+
703.00 kJ/mol  
40
20th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
34
21st Energy Level
5,730.00 kJ/mol  
23
7,030.00 kJ/mol  
12
22nd Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
28
23rd Energy Level
573.00 kJ/mol  
99+
7,030.00 kJ/mol  
10
24th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
27
25th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
29
26th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
28
27th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
29
28th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
34
29th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
35
30th Energy Level
573.00 kJ/mol  
99+
703.00 kJ/mol  
29
Electrochemical Equivalent
2.02 g/amp-hr  
33
2.60 g/amp-hr  
23
Electron Work Function
4.30 eV  
25
4.22 eV  
29
Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
66  
99+
83  
33
Electron Configuration
[Xe] 4f9 6s2  
[Xe] 4f14 5d10 6s2 6p3  
Crystal Structure
Hexagonal Close Packed (HCP)  
Rhombohedral (RHO)  
Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100  
RHO-Crystal-Structure-of-Bismuth.jpg#100  
Atom
  
  
Number of Protons
66  
99+
83  
33
Number of Neutrons
96  
36
126  
19
Number of Electrons
66  
99+
83  
33
Radius of an Atom
  
  
Atomic Radius
178.00 pm  
18
156.00 pm  
31
Covalent Radius
192.00 pm  
17
148.00 pm  
38
Van der Waals Radius
229.00 pm  
25
207.00 pm  
33
Atomic Weight
162.50 amu  
99+
208.98 amu  
29
Atomic Volume
19.00 cm3/mol  
35
21.30 cm3/mol  
23
Adjacent Atomic Numbers
  
  
Previous Element
Terbium
  
Lead
  
Next Element
Holmium
  
Polonium
  
Valence Electron Potential
47.40 (-eV)  
33
41.90 (-eV)  
99+
Lattice Constant
359.30 pm  
99+
667.40 pm  
2
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.57  
38
1.86  
4
Mechanical
Density
  
  
Density At Room Temperature
8.54 g/cm3  
99+
9.78 g/cm3  
99+
Density When Liquid (at m.p.)
8.37 g/cm3  
99+
10.05 g/cm3  
99+
Tensile Strength
120.00 MPa  
27
32.00 MPa  
99+
Viscosity
0.00  
25
0.00  
29
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
22
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
24
Elasticity properties
  
  
Shear Modulus
24.70 GPa  
39
12.00 GPa  
99+
Bulk Modulus
40.50 GPa  
36
31.00 GPa  
99+
Young's Modulus
61.40 GPa  
35
32.00 GPa  
99+
Poisson Ratio
0.25  
25
0.33  
11
Other Mechanical Properties
Sectile  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
8.55  
99+
9.79  
99+
Magnetic Ordering
Paramagnetic  
Diamagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
20
Susceptibility
0.00  
24
0.00  
36
Electrical Properties
  
  
Electrical Property
Conductor  
Semiconductor  
Resistivity
926.00 nΩ·m  
2
1.29 nΩ·m  
99+
Electrical Conductivity
0.01 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
91.20 kJ/mol  
13
Thermal
Specific Heat
0.17 J/(kg K)  
35
0.12 J/(kg K)  
99+
Molar Heat Capacity
27.70 J/mol·K  
17
25.52 J/mol·K  
99+
Thermal Conductivity
10.70 W/m·K  
99+
7.97 W/m·K  
99+
Critical Temperature
1,680.00 K  
36
544.00 K  
99+
Thermal Expansion
9.90 µm/(m·K)  
99+
13.40 µm/(m·K)  
34
Enthalpy
  
  
Enthalpy of Vaporization
230.00 kJ/mol  
99+
151.00 kJ/mol  
99+
Enthalpy of Fusion
11.05 kJ/mol  
38
10.90 kJ/mol  
39
Enthalpy of Atomization
301.00 kJ/mol  
99+
207.10 kJ/mol  
99+
Standard Molar Entropy
75.60 J/mol.K  
7
56.70 J/mol.K  
32
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