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Dysprosium vs Yttrium


Yttrium vs Dysprosium


Periodic Table

Symbol
Dy   
Y   

Group Number
Not Available   
3   
15

Period Number
6   
5   

Block
f block   
d block   

Element Family
Lanthanide   
Transition Metal   

CAS Number
7429916   
99+
7440655   
25

Space Group Name
P63/mmc   
P63/mmc   

Space Group Number
194.00   
5
194.00   
5

Facts

Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  

Sources
Found in Minerals, Mining, Ores of Minerals   
Found in Minerals, Mining, Ores of Minerals   

History
  
  

Who Discovered
Lecoq de Boisbaudran   
Johan Gadolin   

Discovery
In 1886   
In 1794   

Abundance
  
  

Abundance In Universe
2 * 10-7 %   
22
7 * 10-7 %   
17

Abundance In Sun
~0.0000002 %   
25
~0.0000001 %   
26

Abundance In Meteorites
0.00 %   
33
0.00 %   
21

Abundance In Earth's Crust
0.00 %   
28
0.00 %   
22

Abundance In Oceans
0.00 %   
35
0.00 %   
25

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.
  
  • Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
  • It is also used as a catalyst in ethene polymerisation.
  

Industrial Uses
NA   
Electrical Industry, Electronic Industry   

Medical Uses
NA   
NA   

Other Uses
Alloys, Nuclear Research   
Alloys   

Biological Properties
  
  

Toxicity
Mildly Toxic   
Highly Toxic   

Present in Human Body
No   
Yes   

In Blood
Not Available   
0.00 Blood/mg dm-3   
26

In Bone
Not Available   
0.07 p.p.m.   
25

Physical Properties

Melting Point
1,407.00 °C   
32
1,523.00 °C   
27

Boiling Point
2,562.00 °C   
99+
3,337.00 °C   
21

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Silvery White   

Luster
Metallic   
NA   

Hardness
  
  

Brinell Hardness
500.00 MPa   
23
589.00 MPa   
22

Vickers Hardness
540.00 MPa   
20
Not Available   

Speed of Sound
2,710.00 m/s   
33
3,300.00 m/s   
23

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   
Y   

Isotopes
  
  

Known Isotopes
29   
10
19   
20

Electronegativity
  
  

Pauling Electronegativity
1.22   
38
1.22   
38

Sanderson Electronegativity
Not Available   
0.65   
29

Allred Rochow Electronegativity
1.10   
30
1.11   
29

Allen Electronegativity
Not Available   
1.12   
38

Electropositivity
  
  

Pauling Electropositivity
2.78   
16
2.78   
16

Ionization Energies
  
  

1st Energy Level
573.00 kJ/mol   
99+
600.00 kJ/mol   
99+

2nd Energy Level
1,130.00 kJ/mol   
99+
1,180.00 kJ/mol   
99+

3rd Energy Level
2,200.00 kJ/mol   
99+
1,980.00 kJ/mol   
99+

4th Energy Level
3,990.00 kJ/mol   
37
5,847.00 kJ/mol   
10

5th Energy Level
Not Available   
7,430.00 kJ/mol   
14

6th Energy Level
Not Available   
8,970.00 kJ/mol   
17

7th Energy level
Not Available   
11,190.00 kJ/mol   
18

8th Energy Level
Not Available   
12,450.00 kJ/mol   
18

9th Energy Level
Not Available   
14,110.00 kJ/mol   
19

10th Energy Level
Not Available   
18,400.00 kJ/mol   
17

11th Energy Level
Not Available   
19,900.00 kJ/mol   
18

12th Energy Level
Not Available   
36,090.00 kJ/mol   
5

Electrochemical Equivalent
2.02 g/amp-hr   
29
1.11 g/amp-hr   
99+

Electron Work Function
Not Available   
3.10 eV   
35

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

Atomic Properties

Atomic Number
66   
99+
39   
99+

Electron Configuration
[Xe] 4f9 6s2   
[Kr] 4d1 5s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Hexagonal Close Packed (HCP)   

Crystal Lattice
HCP-Crystal-Structure-of-Dysprosium.jpg#100   
HCP-Crystal-Structure-of-Yttrium.jpg#100   

Atom
  
  

Number of Protons
66   
99+
39   
99+

Number of Neutrons
96   
35
50   
99+

Number of Electrons
66   
99+
39   
99+

Radius of an Atom
  
  

Atomic Radius
178.00 pm   
16
180.00 pm   
14

Covalent Radius
192.00 pm   
17
190.00 pm   
18

Van der Waals Radius
229.00 pm   
20
200.00 pm   
28

Atomic Weight
162.50 amu   
99+
88.91 amu   
99+

Atomic Volume
19.00 cm3/mol   
23
19.80 cm3/mol   
21

Adjacent Atomic Numbers
  
  

Previous Element
Terbium
  
Strontium
  

Next Element
Holmium
  
Zirconium
  

Valence Electron Potential
47.40 (-eV)   
32
48.00 (-eV)   
30

Lattice Constant
359.30 pm   
37
364.74 pm   
31

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

Lattice C/A Ratio
1.57   
15
1.57   
16

Mechanical Properties

Density
  
  

Density At Room Temperature
8.54 g/cm3   
99+
4.47 g/cm3   
99+

Density When Liquid (at m.p.)
8.37 g/cm3   
25
4.24 g/cm3   
99+

Tensile Strength
120.00 MPa   
15
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
Not Available   
0.00 (Pa)   
32

Vapor Pressure at 2000 K
Not Available   
4.27 (Pa)   
10

Elasticity properties
  
  

Shear Modulus
24.70 GPa   
31
25.60 GPa   
30

Bulk Modulus
40.50 GPa   
31
41.20 GPa   
30

Young's Modulus
61.40 GPa   
33
63.50 GPa   
32

Poisson Ratio
0.25   
25
0.24   
26

Other Mechanical Properties
Sectile   
Ductile   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
8.55   
38
4.47   
99+

Magnetic Ordering
Paramagnetic   
Paramagnetic   

Electrical Properties
  
  

Electrical Property
Conductor   
Conductor   

Resistivity
926.00 nΩ·m   
2
596.00 nΩ·m   
8

Electrical Conductivity
0.01 106/cm Ω   
99+
0.02 106/cm Ω   
99+

Electron Affinity
50.00 kJ/mol   
21
29.60 kJ/mol   
30

Thermal Properties

Specific Heat
0.17 J/(kg K)   
34
0.30 J/(kg K)   
18

Molar Heat Capacity
27.70 J/mol·K   
14
26.53 J/mol·K   
27

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

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
9.90 µm/(m·K)   
40
10.60 µm/(m·K)   
37

Enthalpy
  
  

Enthalpy of Vaporization
230.00 kJ/mol   
39
393.00 kJ/mol   
18

Enthalpy of Fusion
11.05 kJ/mol   
32
17.15 kJ/mol   
16

Enthalpy of Atomization
301.00 kJ/mol   
36
418.00 kJ/mol   
18

Standard Molar Entropy
75.60 J/mol.K   
7
44.40 J/mol.K   
33

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