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Nobelium vs Scandium

Nobelium
Scandium
Scandium vs Nobelium


Periodic Table
Symbol
No  
Sc  
Group Number
Not Available  
3  
15
Period Number
7  
4  
Block
f block  
d block  
Element Family
Actinide  
Transition Metal  
CAS Number
10028145  
16
7440202  
99+
Space Group Name
Not Available  
P63/mmc  
Space Group Number
Not Available  
194.00  
5
Facts
Interesting Facts
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  
Sources
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining  
Found in Minerals, Mining, Ores of metals, Ores of Minerals  
History
  
  
Who Discovered
Joint Institute for Nuclear Research  
Lars Fredrik Nilson  
Discovery
In 1966  
In 1879  
Abundance
  
  
Abundance In Universe
Not Available  
3 * 10-6 %  
15
Abundance In Sun
~-9999 %  
~0.000004 %  
16
Abundance In Meteorites
Not Available  
0.00 %  
18
Abundance In Earth's Crust
Not Available  
0.00 %  
23
Abundance In Oceans
Not Available  
0.00 %  
32
Uses
Uses & Benefits
  • Currently known uses of Nobelium metal are limited to research purpose only.
  
  • 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
NA  
Electrical Industry, Electronic Industry  
Medical Uses
NA  
NA  
Other Uses
Research Purposes  
Alloys  
Biological Properties
  
  
Toxicity
Unknown  
Non Toxic  
Present in Human Body
No  
Yes  
In Blood
0.00 Blood/mg dm-3  
37
0.01 Blood/mg dm-3  
22
In Bone
0.00 p.p.m.  
36
0.00 p.p.m.  
34
Physical Properties
Melting Point
827.00 °C  
99+
1,539.00 °C  
24
Boiling Point
Not Available  
2,832.00 °C  
35
Appearance
  
  
Physical State
Solid  
Solid  
Color
Unknown  
Silvery White  
Luster
Unknown Luster  
Lustrous  
Hardness
  
  
Brinell Hardness
Not Available  
750.00 MPa  
12
Speed of Sound
Not Available  
Not Available  
Optical Properties
  
  
Allotropes
No  
No  
α Allotropes
Not Available  
Not Available  
β Allotropes
Not Available  
Not Available  
γ Allotropes
Not Available  
Not Available  
Chemical Properties
Chemical Formula
No  
Sc  
Isotopes
  
  
Known Isotopes
13  
26
13  
26
Electronegativity
  
  
Pauling Electronegativity
1.30  
32
1.36  
29
Sanderson Electronegativity
Not Available  
1.02  
21
Allred Rochow Electronegativity
1.20  
27
1.20  
27
Allen Electronegativity
Not Available  
1.19  
36
Electropositivity
  
  
Pauling Electropositivity
2.70  
22
2.64  
25
Ionization Energies
  
  
1st Energy Level
642.00 kJ/mol  
99+
633.10 kJ/mol  
99+
2nd Energy Level
1,254.00 kJ/mol  
99+
1,235.00 kJ/mol  
99+
3rd Energy Level
2,643.00 kJ/mol  
99+
2,388.60 kJ/mol  
99+
4th Energy Level
3,956.00 kJ/mol  
39
7,090.60 kJ/mol  
6
5th Energy Level
Not Available  
8,843.00 kJ/mol  
6
6th Energy Level
Not Available  
10,679.00 kJ/mol  
7
7th Energy level
Not Available  
13,310.00 kJ/mol  
8
8th Energy Level
Not Available  
15,250.00 kJ/mol  
11
9th Energy Level
Not Available  
17,370.00 kJ/mol  
14
10th Energy Level
Not Available  
21,726.00 kJ/mol  
13
11th Energy Level
Not Available  
24,102.00 kJ/mol  
16
12th Energy Level
Not Available  
66,320.00 kJ/mol  
2
13th Energy Level
Not Available  
73,010.00 kJ/mol  
2
14th Energy Level
Not Available  
80,160.00 kJ/mol  
3
15th Energy Level
Not Available  
89,490.00 kJ/mol  
4
16th Energy Level
Not Available  
97,400.00 kJ/mol  
5
17th Energy Level
Not Available  
105,600.00 kJ/mol  
6
18th Energy Level
Not Available  
117,000.00 kJ/mol  
7
19th Energy Level
Not Available  
124,270.00 kJ/mol  
8
Electrochemical Equivalent
4.83 g/amp-hr  
4
0.56 g/amp-hr  
99+
Electron Work Function
Not Available  
3.50 eV  
31
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity  
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility  
Atomic Properties
Atomic Number
102  
16
21  
99+
Electron Configuration
[Rn] 5f14 7s2  
[Ar] 3d1 4s2  
Crystal Structure
Not Known  
Hexagonal Close Packed (HCP)  
Crystal Lattice
Unknown-Crystal-Structure-of-Nobelium.jpg#100  
HCP-Crystal-Structure-of-Scandium.jpg#100  
Atom
  
  
Number of Protons
102  
16
21  
99+
Number of Neutrons
157  
7
24  
99+
Number of Electrons
102  
16
21  
99+
Radius of an Atom
  
  
Atomic Radius
Not Available  
162.00 pm  
26
Covalent Radius
Not Available  
170.00 pm  
25
Van der Waals Radius
246.00 pm  
8
211.00 pm  
25
Atomic Weight
259.00 amu  
13
44.96 amu  
99+
Atomic Volume
Not Available  
15.00 cm3/mol  
34
Adjacent Atomic Numbers
  
  
Previous Element
Mendelevium
  
Calcium
  
Next Element
Lawrencium
  
Titanium
  
Valence Electron Potential
26.00 (-eV)  
99+
58.00 (-eV)  
24
Lattice Constant
Not Available  
330.90 pm  
99+
Lattice Angles
NA  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
Not Available  
1.59  
7
Mechanical Properties
Density
  
  
Density At Room Temperature
Not Available  
2.99 g/cm3  
99+
Density When Liquid (at m.p.)
Not Available  
2.80 g/cm3  
99+
Tensile Strength
Not Available  
Not Available  
Viscosity
Not Available  
Not Available  
Vapor Pressure
  
  
Vapor Pressure at 1000 K
Not Available  
0.00 (Pa)  
22
Vapor Pressure at 2000 K
Not Available  
91.30 (Pa)  
3
Elasticity properties
  
  
Shear Modulus
Not Available  
29.10 GPa  
24
Bulk Modulus
Not Available  
56.60 GPa  
21
Young's Modulus
Not Available  
74.40 GPa  
26
Poisson Ratio
Not Available  
0.28  
18
Other Mechanical Properties
Unknown  
NA  
Magnetic Properties
Magnetic Characteristics
  
  
Specific Gravity
Not Available  
2.99  
99+
Magnetic Ordering
Unknown  
Paramagnetic  
Electrical Properties
  
  
Electrical Property
Unknown  
Conductor  
Resistivity
Not Available  
562.00 nΩ·m  
10
Electrical Conductivity
Not Available  
0.02 106/cm Ω  
99+
Electron Affinity
Not Available  
18.10 kJ/mol  
33
Thermal Properties
Specific Heat
Not Available  
0.60 J/(kg K)  
8
Molar Heat Capacity
Not Available  
25.52 J/mol·K  
37
Thermal Conductivity
Not Available  
15.80 W/m·K  
99+
Critical Temperature
Not Available  
Not Available  
Thermal Expansion
Not Available  
10.20 µm/(m·K)  
39
Enthalpy
  
  
Enthalpy of Vaporization
Not Available  
314.20 kJ/mol  
28
Enthalpy of Fusion
Not Available  
14.10 kJ/mol  
25
Enthalpy of Atomization
Not Available  
343.00 kJ/mol  
28
Standard Molar Entropy
Not Available  
34.60 J/mol.K  
99+
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