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Neodymium vs Hassium

Neodymium
Hassium
Hassium vs Neodymium


Periodic Table
Symbol
-  
Hs  
Group Number
1  
17
8  
10
Period Number
6  
7  
Block
f block  
d block  
Element Family
Lanthanide  
Transition Metal  
CAS Number
7440008  
99+
54037579  
11
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Neodymium is not found free in nature, hence it is not a native metal.
  • Neodymium metal found in minerals like Monazite and Bastnaesite.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Carl Auer von Welsbach  
Gesellschaft für Schwerionenforschung  
Discovery
In 1885  
In 1984  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
40
Abundance In Sun
0.00 %  
24
-  
Abundance In Meteorites
0.00 %  
30
0.00 %  
99+
Abundance In Earth's Crust
0.00 %  
20
-  
Abundance In Oceans
0.00 %  
30
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • Neodymium-Iron-boron alloy is used to make permanent magnets.
  • It is used in microphones, Mp3 player, loudspeakers, mobile phones, etc.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
Aerospace Industry, Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Non Toxic  
-  
Present in Human Body
No  
No  
In Blood
0.00 Blood/mg dm-3  
34
0.00 Blood/mg dm-3  
40
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
99+
Physical
Melting Point
1,010.00 °C  
99+
-  
Boiling Point
3,127.00 °C  
29
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silver  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
7.00  
3
4.50  
10
Brinell Hardness
265.00 MPa  
99+
230.00 MPa  
99+
Vickers Hardness
345.00 MPa  
99+
2,450.00 MPa  
5
Speed of Sound
2,330.00 m/s  
99+
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.64  
30
1.30  
99+
Reflectivity
80.00 %  
7
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
-  
Hs  
Isotopes
  
  
Known Isotopes
30  
9
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.14  
99+
2.20  
5
Sanderson Electronegativity
1.14  
35
1.30  
25
Allred Rochow Electronegativity
1.07  
33
1.30  
25
Mulliken-Jaffe Electronegativity
1.14  
99+
1.30  
33
Allen Electronegativity
1.14  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.86  
13
2.00  
99+
Ionization Energies
  
  
1st Energy Level
533.10 kJ/mol  
99+
733.30 kJ/mol  
26
2nd Energy Level
1,040.00 kJ/mol  
99+
1,756.00 kJ/mol  
25
3rd Energy Level
2,130.00 kJ/mol  
99+
2,827.00 kJ/mol  
37
4th Energy Level
3,900.00 kJ/mol  
99+
3,637.50 kJ/mol  
99+
5th Energy Level
5,330.00 kJ/mol  
99+
4,940.00 kJ/mol  
99+
6th Energy Level
5,330.00 kJ/mol  
99+
6,175.10 kJ/mol  
99+
7th Energy level
5,331.00 kJ/mol  
99+
7,535.50 kJ/mol  
32
8th Energy Level
5,360.00 kJ/mol  
99+
8,857.40 kJ/mol  
21
9th Energy Level
5,330.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
10th Energy Level
5,330.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
5,330.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
12th Energy Level
5,330.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+
13th Energy Level
5,330.00 kJ/mol  
99+
4,200.00 kJ/mol  
99+
14th Energy Level
533.10 kJ/mol  
99+
1,124.00 kJ/mol  
99+
15th Energy Level
53,300.00 kJ/mol  
99+
68,200.00 kJ/mol  
31
16th Energy Level
533.10 kJ/mol  
99+
32,800.00 kJ/mol  
99+
17th Energy Level
533.10 kJ/mol  
99+
1,089.00 kJ/mol  
22
18th Energy Level
5,331.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
533.10 kJ/mol  
99+
1,086.50 kJ/mol  
19
20th Energy Level
536.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
533.10 kJ/mol  
99+
1,086.00 kJ/mol  
30
22nd Energy Level
533.00 kJ/mol  
99+
350.00 kJ/mol  
99+
23rd Energy Level
5,331.00 kJ/mol  
27
1,120.00 kJ/mol  
34
24th Energy Level
533.10 kJ/mol  
99+
540.90 kJ/mol  
99+
25th Energy Level
533.10 kJ/mol  
99+
610.00 kJ/mol  
99+
26th Energy Level
533.10 kJ/mol  
99+
587.40 kJ/mol  
99+
27th Energy Level
533.10 kJ/mol  
99+
880.00 kJ/mol  
5
28th Energy Level
533.10 kJ/mol  
99+
840.00 kJ/mol  
14
29th Energy Level
533.10 kJ/mol  
99+
867.80 kJ/mol  
11
30th Energy Level
533.10 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
1.79 g/amp-hr  
99+
3.00 g/amp-hr  
21
Electron Work Function
3.20 eV  
99+
4.90 eV  
12
Other Chemical Properties
Chemical Stability, Corrosion, Flammable, Ionization  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
60  
99+
108  
10
Electron Configuration
[Xe] 4f4 6s2  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Double Hexagonal Close Packed (DHCP)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
DHCP-Crystal-Structure-of-Neodymium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
60  
99+
108  
10
Number of Neutrons
84  
99+
158  
7
Number of Electrons
60  
99+
108  
10
Radius of an Atom
  
  
Atomic Radius
181.00 pm  
15
126.00 pm  
99+
Covalent Radius
201.00 pm  
10
134.00 pm  
99+
Van der Waals Radius
229.00 pm  
25
0.00 pm  
99+
Atomic Weight
144.24 amu  
99+
269.00 amu  
9
Atomic Volume
20.60 cm3/mol  
28
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Praseodymium
  
Bohrium
  
Next Element
Promethium
  
Meitnerium
  
Valence Electron Potential
43.40 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
365.80 pm  
33
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.61  
18
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
7.01 g/cm3  
99+
40.70 g/cm3  
1
Density When Liquid (at m.p.)
6.89 g/cm3  
99+
41.00 g/cm3  
1
Tensile Strength
345.00 MPa  
13
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
27
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
23
0.00 (Pa)  
37
Vapor Pressure at 2000 K
101.00 (Pa)  
2
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
16.30 GPa  
99+
40.00 GPa  
19
Bulk Modulus
31.80 GPa  
99+
40.00 GPa  
38
Young's Modulus
41.40 GPa  
99+
40.00 GPa  
99+
Poisson Ratio
0.28  
16
0.34  
10
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
7.00  
99+
41.00  
2
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
7
0.00 H/m  
8
Susceptibility
0.00  
9
0.00  
25
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
643.00 nΩ·m  
6
41.00 nΩ·m  
99+
Electrical Conductivity
0.02 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
63.20 kJ/mol  
19
Thermal
Specific Heat
0.19 J/(kg K)  
33
0.13 J/(kg K)  
99+
Molar Heat Capacity
27.45 J/mol·K  
22
25.92 J/mol·K  
99+
Thermal Conductivity
16.50 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,297.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
9.60 µm/(m·K)  
99+
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
273.00 kJ/mol  
99+
126.00 kJ/mol  
99+
Enthalpy of Fusion
7.14 kJ/mol  
99+
-  
Enthalpy of Atomization
322.00 kJ/mol  
99+
-  
Standard Molar Entropy
71.50 J/mol.K  
13
57.20 J/mol.K  
29
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