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Scandium Nobelium Comparison


Nobelium Scandium comparison


Periodic Table

Symbol
Sc   
No   

Group Number
3   
15
Not Available   

Period Number
4   
7   

Block
d block   
f block   

Element Family
Transition Metal   
Actinide   

CAS Number
7440202   
99+
10028145   
16

Space Group Name
P63/mmc   
Not Available   

Space Group Number
194.00   
5
Not Available   

Facts

Interesting Facts
  • Scandium is known as one of the rare earth elements.
  • Scandium metal found in rare minerals called Wolframite .
  
  • The most stable isotope of Nobelium metal is No-259.
  • No-259 has a half-life of fifty-eight minutes.
  

Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Bombarding Curium-246 or Curium-249 with Carbon-12 Nuclei, Found in Minerals, Mining   

History
  
  

Who Discovered
Lars Fredrik Nilson   
Joint Institute for Nuclear Research   

Discovery
In 1879   
In 1966   

Abundance
  
  

Abundance In Universe
3 * 10-6 %   
15
Not Available   

Abundance In Sun
~0.000004 %   
16
~-9999 %   

Abundance In Meteorites
0.00 %   
18
Not Available   

Abundance In Earth's Crust
0.00 %   
23
Not Available   

Abundance In Oceans
0.00 %   
32
Not Available   

Uses

Uses & Benefits
  • 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.
  
  • Currently known uses of Nobelium metal are limited to research purpose only.
  

Industrial Uses
Electrical Industry, Electronic Industry   
NA   

Medical Uses
NA   
NA   

Other Uses
Alloys   
Research Purposes   

Biological Properties
  
  

Toxicity
Non Toxic   
Unknown   

Present in Human Body
Yes   
No   

In Blood
0.01 Blood/mg dm-3   
22
0.00 Blood/mg dm-3   
37

In Bone
0.00 p.p.m.   
34
0.00 p.p.m.   
36

Physical Properties

Melting Point
1,539.00 °C   
24
827.00 °C   
99+

Boiling Point
2,832.00 °C   
35
Not Available   

Appearance
  
  

Physical State
Solid   
Solid   

Color
Silvery White   
Unknown   

Luster
Lustrous   
Unknown Luster   

Hardness
  
  

Brinell Hardness
750.00 MPa   
12
Not Available   

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
Sc   
No   

Isotopes
  
  

Known Isotopes
13   
26
13   
26

Electronegativity
  
  

Pauling Electronegativity
1.36   
29
1.30   
32

Sanderson Electronegativity
1.02   
21
Not Available   

Allred Rochow Electronegativity
1.20   
27
1.20   
27

Allen Electronegativity
1.19   
36
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.64   
25
2.70   
22

Ionization Energies
  
  

1st Energy Level
633.10 kJ/mol   
99+
642.00 kJ/mol   
99+

2nd Energy Level
1,235.00 kJ/mol   
99+
1,254.00 kJ/mol   
99+

3rd Energy Level
2,388.60 kJ/mol   
99+
2,643.00 kJ/mol   
99+

4th Energy Level
7,090.60 kJ/mol   
6
3,956.00 kJ/mol   
39

5th Energy Level
8,843.00 kJ/mol   
6
Not Available   

6th Energy Level
10,679.00 kJ/mol   
7
Not Available   

7th Energy level
13,310.00 kJ/mol   
8
Not Available   

8th Energy Level
15,250.00 kJ/mol   
11
Not Available   

9th Energy Level
17,370.00 kJ/mol   
14
Not Available   

10th Energy Level
21,726.00 kJ/mol   
13
Not Available   

11th Energy Level
24,102.00 kJ/mol   
16
Not Available   

12th Energy Level
66,320.00 kJ/mol   
2
Not Available   

13th Energy Level
73,010.00 kJ/mol   
2
Not Available   

14th Energy Level
80,160.00 kJ/mol   
3
Not Available   

15th Energy Level
89,490.00 kJ/mol   
4
Not Available   

16th Energy Level
97,400.00 kJ/mol   
5
Not Available   

17th Energy Level
105,600.00 kJ/mol   
6
Not Available   

18th Energy Level
117,000.00 kJ/mol   
7
Not Available   

19th Energy Level
124,270.00 kJ/mol   
8
Not Available   

Electrochemical Equivalent
0.56 g/amp-hr   
99+
4.83 g/amp-hr   
4

Electron Work Function
3.50 eV   
31
Not Available   

Other Chemical Properties
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility   
Ionization, Radioactive Isotopes, Radioactivity   

Atomic Properties

Atomic Number
21   
99+
102   
16

Electron Configuration
[Ar] 3d1 4s2   
[Rn] 5f14 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Not Known   

Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
Unknown-Crystal-Structure-of-Nobelium.jpg#100   

Atom
  
  

Number of Protons
21   
99+
102   
16

Number of Neutrons
24   
99+
157   
7

Number of Electrons
21   
99+
102   
16

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
Not Available   

Covalent Radius
170.00 pm   
25
Not Available   

Van der Waals Radius
211.00 pm   
25
246.00 pm   
8

Atomic Weight
44.96 amu   
99+
259.00 amu   
13

Atomic Volume
15.00 cm3/mol   
34
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  

Next Element
Titanium
  
Lawrencium
  

Valence Electron Potential
58.00 (-eV)   
24
26.00 (-eV)   
99+

Lattice Constant
330.90 pm   
99+
Not Available   

Lattice Angles
π/2, π/2, 2 π/3   
NA   

Lattice C/A Ratio
1.59   
7
Not Available   

Mechanical Properties

Density
  
  

Density At Room Temperature
2.99 g/cm3   
99+
Not Available   

Density When Liquid (at m.p.)
2.80 g/cm3   
99+
Not Available   

Tensile Strength
Not Available   
Not Available   

Viscosity
Not Available   
Not Available   

Vapor Pressure
  
  

Vapor Pressure at 1000 K
0.00 (Pa)   
22
Not Available   

Vapor Pressure at 2000 K
91.30 (Pa)   
3
Not Available   

Elasticity properties
  
  

Shear Modulus
29.10 GPa   
24
Not Available   

Bulk Modulus
56.60 GPa   
21
Not Available   

Young's Modulus
74.40 GPa   
26
Not Available   

Poisson Ratio
0.28   
18
Not Available   

Other Mechanical Properties
NA   
Unknown   

Magnetic Properties

Magnetic Characteristics
  
  

Specific Gravity
2.99   
99+
Not Available   

Magnetic Ordering
Paramagnetic   
Unknown   

Electrical Properties
  
  

Electrical Property
Conductor   
Unknown   

Resistivity
562.00 nΩ·m   
10
Not Available   

Electrical Conductivity
0.02 106/cm Ω   
99+
Not Available   

Electron Affinity
18.10 kJ/mol   
33
Not Available   

Thermal Properties

Specific Heat
0.60 J/(kg K)   
8
Not Available   

Molar Heat Capacity
25.52 J/mol·K   
37
Not Available   

Thermal Conductivity
15.80 W/m·K   
99+
Not Available   

Critical Temperature
Not Available   
Not Available   

Thermal Expansion
10.20 µm/(m·K)   
39
Not Available   

Enthalpy
  
  

Enthalpy of Vaporization
314.20 kJ/mol   
28
Not Available   

Enthalpy of Fusion
14.10 kJ/mol   
25
Not Available   

Enthalpy of Atomization
343.00 kJ/mol   
28
Not Available   

Standard Molar Entropy
34.60 J/mol.K   
99+
Not Available   

Summary >>
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