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Nobelium vs Dysprosium

Nobelium
Dysprosium
Dysprosium vs Nobelium


Periodic Table
Symbol
No  
Dy  
Group Number
3  
15
3  
15
Period Number
7  
6  
Block
f block  
f block  
Element Family
Actinide  
Lanthanide  
CAS Number
10028145  
16
7429916  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
194.00  
7
194.00  
7
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Dysprosium acts stable in air at room temperature.
  • Dysprosium behaves very much like paramagnetic metal.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Lecoq de Boisbaudran  
Discovery
In 1966  
In 1886  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
23
Abundance In Sun
-  
0.00 %  
25
Abundance In Meteorites
-  
0.00 %  
33
Abundance In Earth's Crust
-  
0.00 %  
28
Abundance In Oceans
-  
0.00 %  
35
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
  • 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.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys, Nuclear Research  
Biological Properties
  
  
Toxicity
-  
Mildly Toxic  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
40
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
827.00 °C  
99+
1,407.00 °C  
32
Boiling Point
2,600.00 °C  
99+
2,562.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Metallic  
Hardness
  
  
Mohs Hardness
-  
5.00  
8
Brinell Hardness
500.00 MPa  
28
500.00 MPa  
28
Vickers Hardness
500.00 MPa  
35
540.00 MPa  
32
Speed of Sound
1,100.00 m/s  
99+
2,710.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.78  
23
Reflectivity
61.00 %  
22
35.00 %  
34
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Dy  
Isotopes
  
  
Known Isotopes
13  
26
29  
10
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
1.22  
39
Sanderson Electronegativity
1.30  
25
1.22  
31
Allred Rochow Electronegativity
1.20  
28
1.10  
31
Mulliken-Jaffe Electronegativity
1.30  
33
1.22  
38
Allen Electronegativity
1.10  
99+
1.22  
99+
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.78  
16
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
573.00 kJ/mol  
99+
2nd Energy Level
1,254.00 kJ/mol  
99+
1,130.00 kJ/mol  
99+
3rd Energy Level
2,643.00 kJ/mol  
99+
2,200.00 kJ/mol  
99+
4th Energy Level
3,956.00 kJ/mol  
99+
3,990.00 kJ/mol  
99+
5th Energy Level
6,400.00 kJ/mol  
35
5,730.00 kJ/mol  
99+
6th Energy Level
6,400.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
7th Energy level
6,270.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
8th Energy Level
6,270.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
9th Energy Level
6,270.00 kJ/mol  
99+
6,340.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
11th Energy Level
6,420.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
12th Energy Level
64,000.00 kJ/mol  
8
5,730.00 kJ/mol  
99+
13th Energy Level
6,400.00 kJ/mol  
36
5,730.00 kJ/mol  
99+
14th Energy Level
6,400.00 kJ/mol  
26
5,730.00 kJ/mol  
99+
15th Energy Level
64,000.00 kJ/mol  
36
57,300.00 kJ/mol  
99+
16th Energy Level
64,000.00 kJ/mol  
27
57,300.00 kJ/mol  
99+
17th Energy Level
641.00 kJ/mol  
99+
573.30 kJ/mol  
99+
18th Energy Level
3,500.00 kJ/mol  
99+
5,730.00 kJ/mol  
99+
19th Energy Level
627.60 kJ/mol  
99+
573.30 kJ/mol  
99+
20th Energy Level
627.00 kJ/mol  
99+
573.00 kJ/mol  
99+
21st Energy Level
917.00 kJ/mol  
34
5,730.00 kJ/mol  
23
22nd Energy Level
627.00 kJ/mol  
36
573.00 kJ/mol  
99+
23rd Energy Level
6,410.00 kJ/mol  
12
573.00 kJ/mol  
99+
24th Energy Level
627.00 kJ/mol  
39
573.00 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
573.00 kJ/mol  
99+
26th Energy Level
601.20 kJ/mol  
99+
573.00 kJ/mol  
99+
27th Energy Level
641.00 kJ/mol  
37
573.00 kJ/mol  
99+
28th Energy Level
641.60 kJ/mol  
99+
573.00 kJ/mol  
99+
29th Energy Level
641.00 kJ/mol  
99+
573.00 kJ/mol  
99+
30th Energy Level
627.00 kJ/mol  
99+
573.00 kJ/mol  
99+
Electrochemical Equivalent
4.83 g/amp-hr  
4
2.02 g/amp-hr  
33
Electron Work Function
4.90 eV  
12
4.30 eV  
25
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
102  
16
66  
99+
Electron Configuration
[Rn] 5f14 7s2  
[Xe] 4f9 6s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
HCP-Crystal-Structure-of-Dysprosium.jpg#100  
Atom
  
  
Number of Protons
102  
16
66  
99+
Number of Neutrons
157  
8
96  
36
Number of Electrons
102  
16
66  
99+
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
178.00 pm  
18
Covalent Radius
157.00 pm  
33
192.00 pm  
17
Van der Waals Radius
246.00 pm  
12
229.00 pm  
25
Atomic Weight
259.00 amu  
13
162.50 amu  
99+
Atomic Volume
19.80 cm3/mol  
33
19.00 cm3/mol  
35
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Terbium
  
Next Element
Lawrencium
  
Holmium
  
Valence Electron Potential
26.00 (-eV)  
99+
47.40 (-eV)  
33
Lattice Constant
-  
359.30 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.76  
5
1.57  
38
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
8.54 g/cm3  
99+
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
8.37 g/cm3  
99+
Tensile Strength
80.00 MPa  
29
120.00 MPa  
27
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
22
Vapor Pressure at 2000 K
0.00 (Pa)  
28
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
24.70 GPa  
39
Bulk Modulus
8.70 GPa  
99+
40.50 GPa  
36
Young's Modulus
12.30 GPa  
99+
61.40 GPa  
35
Poisson Ratio
0.30  
14
0.25  
25
Other Mechanical Properties
-  
Sectile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
8.55  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
3
0.00 H/m  
17
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
0.68 nΩ·m  
99+
926.00 nΩ·m  
2
Electrical Conductivity
0.00 106/cm Ω  
99+
0.01 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
50.00 kJ/mol  
26
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.17 J/(kg K)  
35
Molar Heat Capacity
27.00 J/mol·K  
29
27.70 J/mol·K  
17
Thermal Conductivity
0.10 W/m·K  
99+
10.70 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
1,680.00 K  
36
Thermal Expansion
11.00 µm/(m·K)  
99+
9.90 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
-  
230.00 kJ/mol  
99+
Enthalpy of Fusion
-  
11.05 kJ/mol  
38
Enthalpy of Atomization
390.40 kJ/mol  
30
301.00 kJ/mol  
99+
Standard Molar Entropy
63.00 J/mol.K  
24
75.60 J/mol.K  
7
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