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Darmstadtium vs Nobelium


Nobelium vs Darmstadtium


Periodic Table

Symbol
Ds  
No  

Group Number
10  
8
3  
15

Period Number
7  
7  

Block
d block  
f block  

Element Family
Probably Transition  
Actinide  

CAS Number
54083771  
8
10028145  
16

Space Group Name
-  
-  

Space Group Number
166.00  
9
194.00  
7

Facts

Interesting Facts
Darmstadtium is a synthetic element that is highly radioactive.  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  

Sources
Synthetically Produced  
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  

History
  
  

Who Discovered
Gesellschaft für Schwerionenforschung  
Joint Institute for Nuclear Research  

Discovery
In 1994  
In 1966  

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 Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
  • Currently known uses of Nobelium 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
0.00 °C  
99+
2,600.00 °C  
99+

Appearance
  
  

Physical State
Solid  
Solid  

Color
-  
-  

Luster
Unknown Luster  
Unknown Luster  

Hardness
  
  

Mohs Hardness
6.00  
6
-  

Brinell Hardness
350.00 MPa  
36
500.00 MPa  
28

Vickers Hardness
500.00 MPa  
35
500.00 MPa  
35

Speed of Sound
5,090.00 m/s  
13
1,100.00 m/s  
99+

Optical Properties
  
  

Refractive Index
1.30  
99+
1.30  
99+

Reflectivity
50.00 %  
31
61.00 %  
22

Allotropes
No  
No  

α Allotropes
-  
-  

β Allotropes
-  
-  

γ Allotropes
-  
-  

Chemical

Chemical Formula
Ds  
No  

Isotopes
  
  

Known Isotopes
9  
29
13  
26

Electronegativity
  
  

Pauling Electronegativity
1.10  
99+
1.30  
33

Sanderson Electronegativity
1.30  
25
1.30  
25

Allred Rochow Electronegativity
1.10  
31
1.20  
28

Mulliken-Jaffe Electronegativity
1.10  
99+
1.30  
33

Allen Electronegativity
1.10  
99+
1.10  
99+

Electropositivity
  
  

Pauling Electropositivity
2.20  
39
2.70  
22

Ionization Energies
  
  

1st Energy Level
955.20 kJ/mol  
5
642.00 kJ/mol  
99+

2nd Energy Level
1,891.10 kJ/mol  
16
1,254.00 kJ/mol  
99+

3rd Energy Level
3,029.60 kJ/mol  
25
2,643.00 kJ/mol  
99+

4th Energy Level
3,955.90 kJ/mol  
99+
3,956.00 kJ/mol  
99+

5th Energy Level
5,113.70 kJ/mol  
99+
6,400.00 kJ/mol  
35

6th Energy Level
10,700.00 kJ/mol  
12
6,400.00 kJ/mol  
99+

7th Energy level
3,540.00 kJ/mol  
99+
6,270.00 kJ/mol  
99+

8th Energy Level
6,630.00 kJ/mol  
40
6,270.00 kJ/mol  
99+

9th Energy Level
7,180.00 kJ/mol  
29
6,270.00 kJ/mol  
99+

10th Energy Level
10,700.00 kJ/mol  
20
6,270.00 kJ/mol  
99+

11th Energy Level
3,540.00 kJ/mol  
99+
6,420.00 kJ/mol  
99+

12th Energy Level
34,800.00 kJ/mol  
28
64,000.00 kJ/mol  
8

13th Energy Level
5,280.00 kJ/mol  
99+
6,400.00 kJ/mol  
36

14th Energy Level
1,130.00 kJ/mol  
99+
6,400.00 kJ/mol  
26

15th Energy Level
34,400.00 kJ/mol  
99+
64,000.00 kJ/mol  
36

16th Energy Level
34,800.00 kJ/mol  
99+
64,000.00 kJ/mol  
27

17th Energy Level
1,139.00 kJ/mol  
18
641.00 kJ/mol  
99+

18th Energy Level
1,080.00 kJ/mol  
99+
3,500.00 kJ/mol  
99+

19th Energy Level
1,139.90 kJ/mol  
15
627.60 kJ/mol  
99+

20th Energy Level
0.00 kJ/mol  
99+
627.00 kJ/mol  
99+

21st Energy Level
1,080.00 kJ/mol  
32
917.00 kJ/mol  
34

22nd Energy Level
350.00 kJ/mol  
99+
627.00 kJ/mol  
36

23rd Energy Level
1,100.00 kJ/mol  
35
6,410.00 kJ/mol  
12

24th Energy Level
565.80 kJ/mol  
99+
627.00 kJ/mol  
39

25th Energy Level
0.00 kJ/mol  
99+
0.00 kJ/mol  
99+

26th Energy Level
582.30 kJ/mol  
99+
601.20 kJ/mol  
99+

27th Energy Level
0.00 kJ/mol  
99+
641.00 kJ/mol  
37

28th Energy Level
1,130.00 kJ/mol  
4
641.60 kJ/mol  
99+

29th Energy Level
1,130.00 kJ/mol  
4
641.00 kJ/mol  
99+

30th Energy Level
663.20 kJ/mol  
33
627.00 kJ/mol  
99+

Electrochemical Equivalent
3.00 g/amp-hr  
21
4.83 g/amp-hr  
4

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
102  
16

Electron Configuration
[Rn] 5f14 6d8 7s2  
[Rn] 5f14 7s2  

Crystal Structure
Body Centered Cubic (BCC)  
Not Known  

Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
Unknown-Crystal-Structure-of-Nobelium.jpg#100  

Atom
  
  

Number of Protons
110  
8
102  
16

Number of Neutrons
161  
4
157  
8

Number of Electrons
110  
8
102  
16

Radius of an Atom
  
  

Atomic Radius
132.00 pm  
99+
176.00 pm  
20

Covalent Radius
128.00 pm  
99+
157.00 pm  
33

Van der Waals Radius
0.00 pm  
99+
246.00 pm  
12

Atomic Weight
281.00 amu  
6
259.00 amu  
13

Atomic Volume
20.50 cm3/mol  
29
19.80 cm3/mol  
33

Adjacent Atomic Numbers
  
  

Previous Element

Next Element

Valence Electron Potential
0.00 (-eV)  
99+
26.00 (-eV)  
99+

Lattice Constant
0.00 pm  
99+
-  

Lattice Angles
-  
-  

Lattice C/A Ratio
1.61  
19
1.76  
5

Mechanical

Density
  
  

Density At Room Temperature
35.00 g/cm3  
4
9.90 g/cm3  
99+

Density When Liquid (at m.p.)
34.80 g/cm3  
5
9.90 g/cm3  
99+

Tensile Strength
0.10 MPa  
99+
80.00 MPa  
29

Viscosity
0.00  
25
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)  
37
0.00 (Pa)  
28

Elasticity properties
  
  

Shear Modulus
33.00 GPa  
23
27.00 GPa  
34

Bulk Modulus
38.00 GPa  
99+
8.70 GPa  
99+

Young's Modulus
0.00 GPa  
99+
12.30 GPa  
99+

Poisson Ratio
0.25  
24
0.30  
14

Other Mechanical Properties
-  
-  

Magnetic

Magnetic Characteristics
  
  

Specific Gravity
34.80  
7
9.90  
99+

Magnetic Ordering
-  
-  

Permeability
0.00 H/m  
17
0.00 H/m  
3

Susceptibility
0.00  
24
0.00  
24

Electrical Properties
  
  

Electrical Property
-  
-  

Resistivity
8.30 nΩ·m  
99+
0.68 nΩ·m  
99+

Electrical Conductivity
0.00 106/cm Ω  
99+
0.00 106/cm Ω  
99+

Electron Affinity
-  
50.00 kJ/mol  
26

Thermal

Specific Heat
0.10 J/(kg K)  
99+
0.10 J/(kg K)  
99+

Molar Heat Capacity
27.30 J/mol·K  
23
27.00 J/mol·K  
29

Thermal Conductivity
0.00 W/m·K  
99+
0.10 W/m·K  
99+

Critical Temperature
1,323.00 K  
99+
1,100.00 K  
99+

Thermal Expansion
12.90 µm/(m·K)  
38
11.00 µm/(m·K)  
99+

Enthalpy
  
  

Enthalpy of Vaporization
348.90 kJ/mol  
34
-  

Enthalpy of Fusion
-  
-  

Enthalpy of Atomization
-  
390.40 kJ/mol  
30

Standard Molar Entropy
57.00 J/mol.K  
30
63.00 J/mol.K  
24

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