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Dysprosium Lithium Comparison


Lithium Dysprosium comparison


Periodic Table

Symbol
Dy  
Li  

Group Number
3  
15
1  
17

Period Number
6  
2  

Block
f block  
s block  

Element Family
Lanthanide  
Alkali  

CAS Number
7429916  
99+
7439932  
99+

Space Group Name
P63/mmc  
Im_ 3m  

Space Group Number
194.00  
7
229.00  
2

Facts

Interesting Facts
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
  • Heat capacity of Lithium is very high.
  • Lithium inflammable and highly explosive metal, hence it has to be stored properly.
  

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

History
  
  

Who Discovered
Lecoq de Boisbaudran  
Johan August Arfwedson  

Discovery
In 1886  
In 1817  

Abundance
  
  

Abundance In Universe
0.00 %  
23
0.00 %  
19

Abundance In Sun
0.00 %  
25
0.00 %  
11

Abundance In Meteorites
0.00 %  
33
0.00 %  
22

Abundance In Earth's Crust
0.00 %  
28
0.00 %  
99+

Abundance In Oceans
0.00 %  
35
0.00 %  
15

Abundance In Humans
0.00 %  
24
0.00 %  
19

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.
  
  • The main usage of Lithium is manufacturing rechargeable batteries for electronic equipment and gadgets.
  • it is also used in manufacturing non-rechargeable batteries.
  

Industrial Uses
-  
Aerospace Industry, Electrical Industry, Electronic Industry  

Medical Uses
-  
-  

Other Uses
Alloys, Nuclear Research  
Alloys  

Biological Properties
  
  

Toxicity
Mildly Toxic  
-  

Present in Human Body
No  
Yes  

In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
27

In Bone
0.00 p.p.m.  
99+
1.30 p.p.m.  
18

Physical

Melting Point
1,407.00 °C  
32
180.54 °C  
99+

Boiling Point
2,562.00 °C  
99+
1,347.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
Silvery White  
Silvery White  

Luster
Metallic  
-  

Hardness
  
  

Mohs Hardness
5.00  
8
0.60  
23

Brinell Hardness
500.00 MPa  
28
5.00 MPa  
99+

Vickers Hardness
540.00 MPa  
32
5.30 MPa  
99+

Speed of Sound
2,710.00 m/s  
99+
6,000.00 m/s  
6

Optical Properties
  
  

Refractive Index
1.78  
23
1.35  
99+

Reflectivity
35.00 %  
34
95.00 %  
2

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Dy  
Li  

Isotopes
  
  

Known Isotopes
29  
10
8  
30

Electronegativity
  
  

Pauling Electronegativity
1.22  
39
0.98  
99+

Sanderson Electronegativity
1.22  
31
0.89  
99+

Allred Rochow Electronegativity
1.10  
31
0.97  
39

Mulliken-Jaffe Electronegativity
1.22  
38
0.97  
99+

Allen Electronegativity
1.22  
99+
0.91  
99+

Electropositivity
  
  

Pauling Electropositivity
2.78  
16
3.02  
8

Ionization Energies
  
  

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

2nd Energy Level
1,130.00 kJ/mol  
99+
7,298.10 kJ/mol  
3

3rd Energy Level
2,200.00 kJ/mol  
99+
11,815.00 kJ/mol  
4

4th Energy Level
3,990.00 kJ/mol  
99+
520.20 kJ/mol  
99+

5th Energy Level
5,730.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

6th Energy Level
5,730.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

7th Energy level
5,730.00 kJ/mol  
99+
5,202.00 kJ/mol  
99+

8th Energy Level
5,730.00 kJ/mol  
99+
730.00 kJ/mol  
99+

9th Energy Level
6,340.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

10th Energy Level
5,730.00 kJ/mol  
99+
520.00 kJ/mol  
99+

11th Energy Level
5,730.00 kJ/mol  
99+
5,202.00 kJ/mol  
99+

12th Energy Level
5,730.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

13th Energy Level
5,730.00 kJ/mol  
99+
5,200.00 kJ/mol  
99+

14th Energy Level
5,730.00 kJ/mol  
99+
520.20 kJ/mol  
99+

15th Energy Level
57,300.00 kJ/mol  
99+
52,000.00 kJ/mol  
99+

16th Energy Level
57,300.00 kJ/mol  
99+
52,000.00 kJ/mol  
99+

17th Energy Level
573.30 kJ/mol  
99+
520.20 kJ/mol  
99+

18th Energy Level
5,730.00 kJ/mol  
99+
520.00 kJ/mol  
99+

19th Energy Level
573.30 kJ/mol  
99+
520.20 kJ/mol  
99+

20th Energy Level
573.00 kJ/mol  
99+
520.00 kJ/mol  
99+

21st Energy Level
5,730.00 kJ/mol  
23
520.20 kJ/mol  
99+

22nd Energy Level
573.00 kJ/mol  
99+
520.00 kJ/mol  
99+

23rd Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

24th Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

25th Energy Level
573.00 kJ/mol  
99+
520.00 kJ/mol  
99+

26th Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

27th Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

28th Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

29th Energy Level
573.00 kJ/mol  
99+
520.20 kJ/mol  
99+

30th Energy Level
573.00 kJ/mol  
99+
520.00 kJ/mol  
99+

Electrochemical Equivalent
2.02 g/amp-hr  
33
0.26 g/amp-hr  
99+

Electron Work Function
4.30 eV  
25
2.90 eV  
99+

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

Atomic

Atomic Number
66  
99+
3  
99+

Electron Configuration
[Xe] 4f9 6s2  
[He] 2s1  

Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  

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

Atom
  
  

Number of Protons
66  
99+
3  
99+

Number of Neutrons
96  
36
4  
99+

Number of Electrons
66  
99+
3  
99+

Radius of an Atom
  
  

Atomic Radius
178.00 pm  
18
152.00 pm  
33

Covalent Radius
192.00 pm  
17
128.00 pm  
99+

Van der Waals Radius
229.00 pm  
25
182.00 pm  
99+

Atomic Weight
162.50 amu  
99+
6.94 amu  
99+

Atomic Volume
19.00 cm3/mol  
35
13.10 cm3/mol  
99+

Adjacent Atomic Numbers
  
  

Previous Element
Terbium
  
No Previous Element  

Next Element
Holmium
  
Beryllium
  

Valence Electron Potential
47.40 (-eV)  
33
19.00 (-eV)  
99+

Lattice Constant
359.30 pm  
99+
351.00 pm  
99+

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

Lattice C/A Ratio
1.57  
38
1.62  
16

Mechanical

Density
  
  

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

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

Tensile Strength
120.00 MPa  
27
60.00 MPa  
35

Viscosity
0.00  
25
0.00  
10

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)  
22
109.00 (Pa)  
2

Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
30

Elasticity properties
  
  

Shear Modulus
24.70 GPa  
39
4.20 GPa  
99+

Bulk Modulus
40.50 GPa  
36
11.00 GPa  
99+

Young's Modulus
61.40 GPa  
35
4.90 GPa  
99+

Poisson Ratio
0.25  
25
0.36  
8

Other Mechanical Properties
Sectile  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
8.55  
99+
0.53  
99+

Magnetic Ordering
Paramagnetic  
Paramagnetic  

Permeability
0.00 H/m  
17
0.00 H/m  
11

Susceptibility
0.00  
24
0.00  
16

Electrical Properties
  
  

Electrical Property
Conductor  
Conductor  

Resistivity
926.00 nΩ·m  
2
92.80 nΩ·m  
33

Electrical Conductivity
0.01 106/cm Ω  
99+
0.11 106/cm Ω  
22

Electron Affinity
50.00 kJ/mol  
26
59.60 kJ/mol  
20

Thermal

Specific Heat
0.17 J/(kg K)  
35
3.60 J/(kg K)  
1

Molar Heat Capacity
27.70 J/mol·K  
17
24.86 J/mol·K  
99+

Thermal Conductivity
10.70 W/m·K  
99+
84.80 W/m·K  
20

Critical Temperature
1,680.00 K  
36
3,223.00 K  
5

Thermal Expansion
9.90 µm/(m·K)  
99+
46.00 µm/(m·K)  
7

Enthalpy
  
  

Enthalpy of Vaporization
230.00 kJ/mol  
99+
134.70 kJ/mol  
99+

Enthalpy of Fusion
11.05 kJ/mol  
38
3.00 kJ/mol  
99+

Enthalpy of Atomization
301.00 kJ/mol  
99+
160.70 kJ/mol  
99+

Standard Molar Entropy
75.60 J/mol.K  
7
29.10 J/mol.K  
99+

Summary >>
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