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Darmstadtium vs Scandium

Darmstadtium
Scandium
Scandium vs Darmstadtium


Periodic Table
Symbol
Ds  
Sc  
Group Number
10  
8
3  
15
Period Number
7  
4  
Block
d block  
d block  
Element Family
Probably Transition  
Transition Metal  
CAS Number
54083771  
8
7440202  
99+
Space Group Name
-  
P63/mmc  
Space Group Number
166.00  
9
194.00  
7
Facts
Interesting Facts
Darmstadtium is a synthetic element that is highly radioactive.  
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  
Sources
Synthetically Produced  
Found in Minerals, Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Gesellschaft für Schwerionenforschung  
Lars Fredrik Nilson  
Discovery
In 1994  
In 1879  
Abundance
  
  
Abundance In Universe
0.00 %  
40
0.00 %  
16
Abundance In Sun
-  
0.00 %  
16
Abundance In Meteorites
0.00 %  
99+
0.00 %  
18
Abundance In Earth's Crust
-  
0.00 %  
23
Abundance In Oceans
-  
0.00 %  
32
Abundance In Humans
-  
0.00 %  
24
Uses
Uses & Benefits
  • Currently known uses of Darmstadtium metal are limited to research purpose only. As only few atoms of this metal are produced.
  
  • Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
  • Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
  
Industrial Uses
-  
Electrical Industry, Electronic Industry  
Medical Uses
-  
-  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
-  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
40
0.01 Blood/mg dm-3  
22
In Bone
0.00 p.p.m.  
99+
0.00 p.p.m.  
39
Physical
Melting Point
-  
1,539.00 °C  
24
Boiling Point
0.00 °C  
99+
2,832.00 °C  
36
Appearance
  
  
Physical State
Solid  
Solid  
Color
-  
Silvery White  
Luster
Unknown Luster  
Lustrous  
Hardness
  
  
Mohs Hardness
6.00  
6
5.50  
7
Brinell Hardness
350.00 MPa  
36
750.00 MPa  
13
Vickers Hardness
500.00 MPa  
35
1,200.00 MPa  
13
Speed of Sound
5,090.00 m/s  
13
6,100.00 m/s  
5
Optical Properties
  
  
Refractive Index
1.30  
99+
1.80  
21
Reflectivity
50.00 %  
31
93.00 %  
3
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ds  
Sc  
Isotopes
  
  
Known Isotopes
9  
29
13  
26
Electronegativity
  
  
Pauling Electronegativity
1.10  
99+
1.36  
30
Sanderson Electronegativity
1.30  
25
1.02  
40
Allred Rochow Electronegativity
1.10  
31
1.20  
28
Mulliken-Jaffe Electronegativity
1.10  
99+
1.36  
31
Allen Electronegativity
1.10  
99+
1.19  
99+
Electropositivity
  
  
Pauling Electropositivity
2.20  
39
2.64  
25
Ionization Energies
  
  
1st Energy Level
955.20 kJ/mol  
5
633.10 kJ/mol  
99+
2nd Energy Level
1,891.10 kJ/mol  
16
1,235.00 kJ/mol  
99+
3rd Energy Level
3,029.60 kJ/mol  
25
2,388.60 kJ/mol  
99+
4th Energy Level
3,955.90 kJ/mol  
99+
7,090.60 kJ/mol  
13
5th Energy Level
5,113.70 kJ/mol  
99+
8,843.00 kJ/mol  
7
6th Energy Level
10,700.00 kJ/mol  
12
10,679.00 kJ/mol  
13
7th Energy level
3,540.00 kJ/mol  
99+
13,310.00 kJ/mol  
8
8th Energy Level
6,630.00 kJ/mol  
40
15,250.00 kJ/mol  
11
9th Energy Level
7,180.00 kJ/mol  
29
17,370.00 kJ/mol  
14
10th Energy Level
10,700.00 kJ/mol  
20
21,726.00 kJ/mol  
13
11th Energy Level
3,540.00 kJ/mol  
99+
24,102.00 kJ/mol  
16
12th Energy Level
34,800.00 kJ/mol  
28
66,320.00 kJ/mol  
7
13th Energy Level
5,280.00 kJ/mol  
99+
73,010.00 kJ/mol  
2
14th Energy Level
1,130.00 kJ/mol  
99+
80,160.00 kJ/mol  
3
15th Energy Level
34,400.00 kJ/mol  
99+
89,490.00 kJ/mol  
6
16th Energy Level
34,800.00 kJ/mol  
99+
97,400.00 kJ/mol  
5
17th Energy Level
1,139.00 kJ/mol  
18
105,600.00 kJ/mol  
6
18th Energy Level
1,080.00 kJ/mol  
99+
117,000.00 kJ/mol  
7
19th Energy Level
1,139.90 kJ/mol  
15
124,270.00 kJ/mol  
8
20th Energy Level
0.00 kJ/mol  
99+
633.00 kJ/mol  
99+
21st Energy Level
1,080.00 kJ/mol  
32
633.10 kJ/mol  
99+
22nd Energy Level
350.00 kJ/mol  
99+
633.00 kJ/mol  
35
23rd Energy Level
1,100.00 kJ/mol  
35
633.10 kJ/mol  
99+
24th Energy Level
565.80 kJ/mol  
99+
633.10 kJ/mol  
37
25th Energy Level
0.00 kJ/mol  
99+
633.00 kJ/mol  
39
26th Energy Level
582.30 kJ/mol  
99+
633.10 kJ/mol  
38
27th Energy Level
0.00 kJ/mol  
99+
633.10 kJ/mol  
40
28th Energy Level
1,130.00 kJ/mol  
4
633.10 kJ/mol  
99+
29th Energy Level
1,130.00 kJ/mol  
4
633.10 kJ/mol  
99+
30th Energy Level
663.20 kJ/mol  
33
633.00 kJ/mol  
99+
Electrochemical Equivalent
3.00 g/amp-hr  
21
0.56 g/amp-hr  
99+
Electron Work Function
4.90 eV  
12
3.50 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
110  
8
21  
99+
Electron Configuration
[Rn] 5f14 6d8 7s2  
[Ar] 3d1 4s2  
Crystal Structure
Body Centered Cubic (BCC)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
BCC-Crystal-Structure-.jpg#100  
HCP-Crystal-Structure-of-Scandium.jpg#100  
Atom
  
  
Number of Protons
110  
8
21  
99+
Number of Neutrons
161  
4
24  
99+
Number of Electrons
110  
8
21  
99+
Radius of an Atom
  
  
Atomic Radius
132.00 pm  
99+
162.00 pm  
28
Covalent Radius
128.00 pm  
99+
170.00 pm  
27
Van der Waals Radius
0.00 pm  
99+
211.00 pm  
32
Atomic Weight
281.00 amu  
6
44.96 amu  
99+
Atomic Volume
20.50 cm3/mol  
29
15.00 cm3/mol  
99+
Adjacent Atomic Numbers
  
  
Previous Element
Meitnerium
  
Calcium
  
Next Element
Roentgenium
  
Titanium
  
Valence Electron Potential
0.00 (-eV)  
99+
58.00 (-eV)  
25
Lattice Constant
0.00 pm  
99+
330.90 pm  
99+
Lattice Angles
-  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.61  
19
1.59  
24
Mechanical
Density
  
  
Density At Room Temperature
35.00 g/cm3  
4
2.99 g/cm3  
99+
Density When Liquid (at m.p.)
34.80 g/cm3  
5
2.80 g/cm3  
99+
Tensile Strength
0.10 MPa  
99+
150.00 MPa  
25
Viscosity
0.00  
25
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
37
0.00 (Pa)  
24
Vapor Pressure at 2000 K
0.00 (Pa)  
37
91.30 (Pa)  
3
Elasticity properties
  
  
Shear Modulus
33.00 GPa  
23
29.10 GPa  
28
Bulk Modulus
38.00 GPa  
99+
56.60 GPa  
22
Young's Modulus
0.00 GPa  
99+
74.40 GPa  
28
Poisson Ratio
0.25  
24
0.28  
18
Other Mechanical Properties
-  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
34.80  
7
2.99  
99+
Magnetic Ordering
-  
Paramagnetic  
Permeability
0.00 H/m  
17
0.00 H/m  
8
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
-  
Conductor  
Resistivity
8.30 nΩ·m  
99+
562.00 nΩ·m  
10
Electrical Conductivity
0.00 106/cm Ω  
99+
0.02 106/cm Ω  
99+
Electron Affinity
-  
18.10 kJ/mol  
39
Thermal
Specific Heat
0.10 J/(kg K)  
99+
0.60 J/(kg K)  
8
Molar Heat Capacity
27.30 J/mol·K  
23
25.52 J/mol·K  
99+
Thermal Conductivity
0.00 W/m·K  
99+
15.80 W/m·K  
99+
Critical Temperature
1,323.00 K  
99+
1,814.00 K  
28
Thermal Expansion
12.90 µm/(m·K)  
38
10.20 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
348.90 kJ/mol  
34
314.20 kJ/mol  
99+
Enthalpy of Fusion
-  
14.10 kJ/mol  
29
Enthalpy of Atomization
-  
343.00 kJ/mol  
38
Standard Molar Entropy
57.00 J/mol.K  
30
34.60 J/mol.K  
99+
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