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Nobelium vs Hassium

Nobelium
Hassium
Hassium vs Nobelium


Periodic Table
Symbol
No  
Hs  
Group Number
3  
15
8  
10
Period Number
7  
7  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
10028145  
16
54037579  
11
Space Group Name
-  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Synthetically Produced  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Gesellschaft für Schwerionenforschung  
Discovery
In 1966  
In 1984  
Abundance
  
  
Abundance In Universe
-  
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
-  
0.00 %  
99+
Abundance In Earth's Crust
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
  • Currently known uses of Hassium metal are limited to research purpose only.
  
Industrial Uses
-  
-  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Research Purposes  
Biological Properties
  
  
Toxicity
-  
-  
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+
-  
Boiling Point
2,600.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silver  
Luster
Unknown Luster  
-  
Hardness
  
  
Mohs Hardness
-  
4.50  
10
Brinell Hardness
500.00 MPa  
28
230.00 MPa  
99+
Vickers Hardness
500.00 MPa  
35
2,450.00 MPa  
5
Speed of Sound
1,100.00 m/s  
99+
2,760.00 m/s  
99+
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
61.00 %  
22
69.00 %  
14
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
No  
Hs  
Isotopes
  
  
Known Isotopes
13  
26
7  
31
Electronegativity
  
  
Pauling Electronegativity
1.30  
33
2.20  
5
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.20  
28
1.30  
25
Mulliken-Jaffe Electronegativity
1.30  
33
1.30  
33
Allen Electronegativity
1.10  
99+
1.30  
40
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.00  
99+
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
733.30 kJ/mol  
26
2nd Energy Level
1,254.00 kJ/mol  
99+
1,756.00 kJ/mol  
25
3rd Energy Level
2,643.00 kJ/mol  
99+
2,827.00 kJ/mol  
37
4th Energy Level
3,956.00 kJ/mol  
99+
3,637.50 kJ/mol  
99+
5th Energy Level
6,400.00 kJ/mol  
35
4,940.00 kJ/mol  
99+
6th Energy Level
6,400.00 kJ/mol  
99+
6,175.10 kJ/mol  
99+
7th Energy level
6,270.00 kJ/mol  
99+
7,535.50 kJ/mol  
32
8th Energy Level
6,270.00 kJ/mol  
99+
8,857.40 kJ/mol  
21
9th Energy Level
6,270.00 kJ/mol  
99+
5,400.00 kJ/mol  
99+
10th Energy Level
6,270.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
11th Energy Level
6,420.00 kJ/mol  
99+
6,100.00 kJ/mol  
99+
12th Energy Level
64,000.00 kJ/mol  
8
3,500.00 kJ/mol  
99+
13th Energy Level
6,400.00 kJ/mol  
36
4,200.00 kJ/mol  
99+
14th Energy Level
6,400.00 kJ/mol  
26
1,124.00 kJ/mol  
99+
15th Energy Level
64,000.00 kJ/mol  
36
68,200.00 kJ/mol  
31
16th Energy Level
64,000.00 kJ/mol  
27
32,800.00 kJ/mol  
99+
17th Energy Level
641.00 kJ/mol  
99+
1,089.00 kJ/mol  
22
18th Energy Level
3,500.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
627.60 kJ/mol  
99+
1,086.50 kJ/mol  
19
20th Energy Level
627.00 kJ/mol  
99+
880.00 kJ/mol  
14
21st Energy Level
917.00 kJ/mol  
34
1,086.00 kJ/mol  
30
22nd Energy Level
627.00 kJ/mol  
36
350.00 kJ/mol  
99+
23rd Energy Level
6,410.00 kJ/mol  
12
1,120.00 kJ/mol  
34
24th Energy Level
627.00 kJ/mol  
39
540.90 kJ/mol  
99+
25th Energy Level
0.00 kJ/mol  
99+
610.00 kJ/mol  
99+
26th Energy Level
601.20 kJ/mol  
99+
587.40 kJ/mol  
99+
27th Energy Level
641.00 kJ/mol  
37
880.00 kJ/mol  
5
28th Energy Level
641.60 kJ/mol  
99+
840.00 kJ/mol  
14
29th Energy Level
641.00 kJ/mol  
99+
867.80 kJ/mol  
11
30th Energy Level
627.00 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
4.83 g/amp-hr  
4
3.00 g/amp-hr  
21
Electron Work Function
4.90 eV  
12
4.90 eV  
12
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Ionization, Radioactive Isotopes, Radioactivity  
Atomic
Atomic Number
102  
16
108  
10
Electron Configuration
[Rn] 5f14 7s2  
[Rn] 5f14 6d6 7s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
102  
16
108  
10
Number of Neutrons
157  
8
158  
7
Number of Electrons
102  
16
108  
10
Radius of an Atom
  
  
Atomic Radius
176.00 pm  
20
126.00 pm  
99+
Covalent Radius
157.00 pm  
33
134.00 pm  
99+
Van der Waals Radius
246.00 pm  
12
0.00 pm  
99+
Atomic Weight
259.00 amu  
13
269.00 amu  
9
Atomic Volume
19.80 cm3/mol  
33
22.70 cm3/mol  
18
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Bohrium
  
Next Element
Lawrencium
  
Meitnerium
  
Valence Electron Potential
26.00 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
-  
Lattice Angles
-  
-  
Lattice C/A Ratio
1.76  
5
1.31  
99+
Mechanical
Density
  
  
Density At Room Temperature
9.90 g/cm3  
99+
40.70 g/cm3  
1
Density When Liquid (at m.p.)
9.90 g/cm3  
99+
41.00 g/cm3  
1
Tensile Strength
80.00 MPa  
29
80.00 MPa  
29
Viscosity
0.00  
25
0.00  
27
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
28
0.00 (Pa)  
30
Elasticity properties
  
  
Shear Modulus
27.00 GPa  
34
40.00 GPa  
19
Bulk Modulus
8.70 GPa  
99+
40.00 GPa  
38
Young's Modulus
12.30 GPa  
99+
40.00 GPa  
99+
Poisson Ratio
0.30  
14
0.34  
10
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
9.90  
99+
41.00  
2
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
3
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
25
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
0.68 nΩ·m  
99+
41.00 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
50.00 kJ/mol  
26
63.20 kJ/mol  
19
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.13 J/(kg K)  
99+
Molar Heat Capacity
27.00 J/mol·K  
29
25.92 J/mol·K  
99+
Thermal Conductivity
0.10 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,100.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
11.00 µm/(m·K)  
99+
21.20 µm/(m·K)  
23
Enthalpy
  
  
Enthalpy of Vaporization
-  
126.00 kJ/mol  
99+
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
390.40 kJ/mol  
30
-  
Standard Molar Entropy
63.00 J/mol.K  
24
57.20 J/mol.K  
29
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