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Dysprosium vs Bismuth


Bismuth vs Dysprosium


Periodic Table

Symbol
Dy   
Bi   

Group Number
Not Available   
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   
5
12.00   
12

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
2 * 10-7 %   
22
7 * 10-8 %   
25

Abundance In Sun
~0.0000002 %   
25
~0.000006 %   
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

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
NA   
Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry   

Medical Uses
NA   
Pharmaceutical Industry   

Other Uses
Alloys, Nuclear Research   
Alloys   

Biological Properties
  
  

Toxicity
Mildly Toxic   
Low Toxic   

Present in Human Body
No   
Yes   

In Blood
Not Available   
0.02 Blood/mg dm-3   
20

In Bone
Not Available   
0.20 p.p.m.   
22

Physical Properties

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
Not Available   
2.25   
15

Brinell Hardness
500.00 MPa   
23
70.00 MPa   
99+

Vickers Hardness
540.00 MPa   
20
Not Available   

Speed of Sound
2,710.00 m/s   
33
1,790.00 m/s   
99+

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
Dy   
Bi   

Isotopes
  
  

Known Isotopes
29   
10
33   
6

Electronegativity
  
  

Pauling Electronegativity
1.22   
38
2.02   
6

Sanderson Electronegativity
Not Available   
2.34   
3

Allred Rochow Electronegativity
1.10   
30
1.67   
6

Mulliken-Jaffe Electronegativity
Not Available   
2.15   
4

Allen Electronegativity
Not Available   
2.01   
4

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   
33

3rd Energy Level
2,200.00 kJ/mol   
99+
2,466.00 kJ/mol   
99+

4th Energy Level
3,990.00 kJ/mol   
37
4,370.00 kJ/mol   
28

5th Energy Level
Not Available   
5,400.00 kJ/mol   
30

6th Energy Level
Not Available   
8,520.00 kJ/mol   
19

Electrochemical Equivalent
2.02 g/amp-hr   
29
2.60 g/amp-hr   
19

Electron Work Function
Not Available   
4.22 eV   
22

Other Chemical Properties
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Solubility   

Atomic Properties

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   
35
126   
18

Number of Electrons
66   
99+
83   
33

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
156.00 pm   
29

Covalent Radius
192.00 pm   
17
148.00 pm   
36

Van der Waals Radius
229.00 pm   
20
207.00 pm   
26

Atomic Weight
162.50 amu   
99+
208.98 amu   
29

Atomic Volume
19.00 cm3/mol   
23
21.30 cm3/mol   
14

Adjacent Atomic Numbers
  
  

Previous Element
Terbium
  
Lead
  

Next Element
Holmium
  
Polonium
  

Valence Electron Potential
47.40 (-eV)   
32
41.90 (-eV)   
99+

Lattice Constant
359.30 pm   
37
667.40 pm   
2

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
1.57   
15
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
8.54 g/cm3   
99+
9.78 g/cm3   
39

Density When Liquid (at m.p.)
8.37 g/cm3   
25
10.05 g/cm3   
18

Tensile Strength
120.00 MPa   
15
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Elasticity properties
  
  

Shear Modulus
24.70 GPa   
31
12.00 GPa   
99+

Bulk Modulus
40.50 GPa   
31
31.00 GPa   
38

Young's Modulus
61.40 GPa   
33
32.00 GPa   
99+

Poisson Ratio
0.25   
25
0.33   
11

Other Mechanical Properties
Sectile   
NA   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
8.55   
38
9.79   
30

Magnetic Ordering
Paramagnetic   
Diamagnetic   

Permeability
Not Available   
0.00 H/m   
6

Susceptibility
Not Available   
0.00   
6

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   
21
91.20 kJ/mol   
11

Thermal Properties

Specific Heat
0.17 J/(kg K)   
34
0.12 J/(kg K)   
40

Molar Heat Capacity
27.70 J/mol·K   
14
25.52 J/mol·K   
37

Thermal Conductivity
10.70 W/m·K   
99+
7.97 W/m·K   
99+

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
9.90 µm/(m·K)   
40
13.40 µm/(m·K)   
28

Enthalpy
  
  

Enthalpy of Vaporization
230.00 kJ/mol   
39
151.00 kJ/mol   
99+

Enthalpy of Fusion
11.05 kJ/mol   
32
10.90 kJ/mol   
33

Enthalpy of Atomization
301.00 kJ/mol   
36
207.10 kJ/mol   
99+

Standard Molar Entropy
75.60 J/mol.K   
7
56.70 J/mol.K   
24

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