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Darmstadtium vs Hassium

Darmstadtium
Hassium
Hassium vs Darmstadtium


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