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Hassium vs Darmstadtium

Hassium
Darmstadtium
Darmstadtium vs Hassium


Periodic Table
Symbol
Hs  
Ds  
Group Number
8  
10
10  
8
Period Number
7  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Probably Transition  
CAS Number
54037579  
11
54083771  
8
Space Group Name
-  
-  
Space Group Number
166.00  
9
166.00  
9
Facts
Interesting Facts
  • Hassium metals rate of decay is very high.
  • Hassium metals 1st sample was synthesized through a nuclear reaction.
  
Darmstadtium is a synthetic element that is highly radioactive.  
Sources
Synthetically Produced  
Synthetically Produced  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Gesellschaft für Schwerionenforschung  
Discovery
In 1984  
In 1994  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
40
Abundance In Sun
-  
-  
Abundance In Meteorites
0.00 %  
99+
0.00 %  
99+
Abundance In Earth's Crust
-  
-  
Abundance In Oceans
-  
-  
Abundance In Humans
-  
-  
Uses
Uses & Benefits
  • Currently known uses of Hassium metal are limited to research purpose only.
  
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
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
-  
-  
Boiling Point
0.00 °C  
99+
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silver  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
4.50  
10
6.00  
6
Brinell Hardness
230.00 MPa  
99+
350.00 MPa  
36
Vickers Hardness
2,450.00 MPa  
5
500.00 MPa  
35
Speed of Sound
2,760.00 m/s  
99+
5,090.00 m/s  
13
Optical Properties
  
  
Refractive Index
1.30  
99+
1.30  
99+
Reflectivity
69.00 %  
14
50.00 %  
31
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Hs  
Ds  
Isotopes
  
  
Known Isotopes
7  
31
9  
29
Electronegativity
  
  
Pauling Electronegativity
2.20  
5
1.10  
99+
Sanderson Electronegativity
1.30  
25
1.30  
25
Allred Rochow Electronegativity
1.30  
25
1.10  
31
Mulliken-Jaffe Electronegativity
1.30  
33
1.10  
99+
Allen Electronegativity
1.30  
40
1.10  
99+
Electropositivity
  
  
Pauling Electropositivity
2.00  
99+
2.20  
39
Ionization Energies
  
  
1st Energy Level
733.30 kJ/mol  
26
955.20 kJ/mol  
5
2nd Energy Level
1,756.00 kJ/mol  
25
1,891.10 kJ/mol  
16
3rd Energy Level
2,827.00 kJ/mol  
37
3,029.60 kJ/mol  
25
4th Energy Level
3,637.50 kJ/mol  
99+
3,955.90 kJ/mol  
99+
5th Energy Level
4,940.00 kJ/mol  
99+
5,113.70 kJ/mol  
99+
6th Energy Level
6,175.10 kJ/mol  
99+
10,700.00 kJ/mol  
12
7th Energy level
7,535.50 kJ/mol  
32
3,540.00 kJ/mol  
99+
8th Energy Level
8,857.40 kJ/mol  
21
6,630.00 kJ/mol  
40
9th Energy Level
5,400.00 kJ/mol  
99+
7,180.00 kJ/mol  
29
10th Energy Level
6,100.00 kJ/mol  
99+
10,700.00 kJ/mol  
20
11th Energy Level
6,100.00 kJ/mol  
99+
3,540.00 kJ/mol  
99+
12th Energy Level
3,500.00 kJ/mol  
99+
34,800.00 kJ/mol  
28
13th Energy Level
4,200.00 kJ/mol  
99+
5,280.00 kJ/mol  
99+
14th Energy Level
1,124.00 kJ/mol  
99+
1,130.00 kJ/mol  
99+
15th Energy Level
68,200.00 kJ/mol  
31
34,400.00 kJ/mol  
99+
16th Energy Level
32,800.00 kJ/mol  
99+
34,800.00 kJ/mol  
99+
17th Energy Level
1,089.00 kJ/mol  
22
1,139.00 kJ/mol  
18
18th Energy Level
3,300.00 kJ/mol  
99+
1,080.00 kJ/mol  
99+
19th Energy Level
1,086.50 kJ/mol  
19
1,139.90 kJ/mol  
15
20th Energy Level
880.00 kJ/mol  
14
0.00 kJ/mol  
99+
21st Energy Level
1,086.00 kJ/mol  
30
1,080.00 kJ/mol  
32
22nd Energy Level
350.00 kJ/mol  
99+
350.00 kJ/mol  
99+
23rd Energy Level
1,120.00 kJ/mol  
34
1,100.00 kJ/mol  
35
24th Energy Level
540.90 kJ/mol  
99+
565.80 kJ/mol  
99+
25th Energy Level
610.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
587.40 kJ/mol  
99+
582.30 kJ/mol  
99+
27th Energy Level
880.00 kJ/mol  
5
0.00 kJ/mol  
99+
28th Energy Level
840.00 kJ/mol  
14
1,130.00 kJ/mol  
4
29th Energy Level
867.80 kJ/mol  
11
1,130.00 kJ/mol  
4
30th Energy Level
0.00 kJ/mol  
99+
663.20 kJ/mol  
33
Electrochemical Equivalent
3.00 g/amp-hr  
21
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
108  
10
110  
8
Electron Configuration
[Rn] 5f14 6d6 7s2  
[Rn] 5f14 6d8 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
108  
10
110  
8
Number of Neutrons
158  
7
161  
4
Number of Electrons
108  
10
110  
8
Radius of an Atom
  
  
Atomic Radius
126.00 pm  
99+
132.00 pm  
99+
Covalent Radius
134.00 pm  
99+
128.00 pm  
99+
Van der Waals Radius
0.00 pm  
99+
0.00 pm  
99+
Atomic Weight
269.00 amu  
9
281.00 amu  
6
Atomic Volume
22.70 cm3/mol  
18
20.50 cm3/mol  
29
Adjacent Atomic Numbers
  
  
Previous Element
Bohrium
  
Meitnerium
  
Next Element
Meitnerium
  
Roentgenium
  
Valence Electron Potential
0.00 (-eV)  
99+
0.00 (-eV)  
99+
Lattice Constant
-  
0.00 pm  
99+
Lattice Angles
-  
-  
Lattice C/A Ratio
1.31  
99+
1.61  
19
Mechanical
Density
  
  
Density At Room Temperature
40.70 g/cm3  
1
35.00 g/cm3  
4
Density When Liquid (at m.p.)
41.00 g/cm3  
1
34.80 g/cm3  
5
Tensile Strength
80.00 MPa  
29
0.10 MPa  
99+
Viscosity
0.00  
27
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
37
Vapor Pressure at 2000 K
0.00 (Pa)  
30
0.00 (Pa)  
37
Elasticity properties
  
  
Shear Modulus
40.00 GPa  
19
33.00 GPa  
23
Bulk Modulus
40.00 GPa  
38
38.00 GPa  
99+
Young's Modulus
40.00 GPa  
99+
0.00 GPa  
99+
Poisson Ratio
0.34  
10
0.25  
24
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
41.00  
2
34.80  
7
Magnetic Ordering
-  
-  
Permeability
0.00 H/m  
8
0.00 H/m  
17
Susceptibility
0.00  
25
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
-  
Resistivity
41.00 nΩ·m  
99+
8.30 nΩ·m  
99+
Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
63.20 kJ/mol  
19
-  
Thermal
Specific Heat
0.13 J/(kg K)  
99+
0.10 J/(kg K)  
99+
Molar Heat Capacity
25.92 J/mol·K  
99+
27.30 J/mol·K  
23
Thermal Conductivity
0.00 W/m·K  
99+
0.00 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,323.00 K  
99+
Thermal Expansion
21.20 µm/(m·K)  
23
12.90 µm/(m·K)  
38
Enthalpy
  
  
Enthalpy of Vaporization
126.00 kJ/mol  
99+
348.90 kJ/mol  
34
Enthalpy of Fusion
-  
-  
Enthalpy of Atomization
-  
-  
Standard Molar Entropy
57.20 J/mol.K  
29
57.00 J/mol.K  
30
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