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Scandium Seaborgium Comparison


Seaborgium Scandium comparison


Periodic Table

Symbol
Sc   
Sg   

Group Number
3   
15
6   
12

Period Number
4   
7   

Block
d block   
d block   

Element Family
Transition Metal   
Transition Metal   

CAS Number
7440202   
99+
54038812   
9

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 .
  
  • Seaborgium most stable isotope is Sg and it has 2.1 min of half- life.
  • And other isotopes of Seaborgium have half-lives as short as 3 ms.
  

Sources
Found in Minerals, Mining, Ores of metals, Ores of Minerals   
Synthetically Produced   

History
  
  

Who Discovered
Lars Fredrik Nilson   
Lawrence Berkeley National Laboratory   

Discovery
In 1879   
In 1974   

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 Seaborgium 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
Not Available   

In Bone
0.00 p.p.m.   
34
Not Available   

Physical Properties

Melting Point
1,539.00 °C   
24
Not Available   

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   
Sg   

Isotopes
  
  

Known Isotopes
13   
26
9   
29

Electronegativity
  
  

Pauling Electronegativity
1.36   
29
Not Available   

Sanderson Electronegativity
1.02   
21
Not Available   

Allred Rochow Electronegativity
1.20   
27
Not Available   

Allen Electronegativity
1.19   
36
Not Available   

Electropositivity
  
  

Pauling Electropositivity
2.64   
25
Not Available   

Ionization Energies
  
  

1st Energy Level
633.10 kJ/mol   
99+
757.40 kJ/mol   
21

2nd Energy Level
1,235.00 kJ/mol   
99+
1,732.90 kJ/mol   
28

3rd Energy Level
2,388.60 kJ/mol   
99+
2,483.50 kJ/mol   
99+

4th Energy Level
7,090.60 kJ/mol   
6
3,415.60 kJ/mol   
99+

5th Energy Level
8,843.00 kJ/mol   
6
4,561.80 kJ/mol   
38

6th Energy Level
10,679.00 kJ/mol   
7
5,715.80 kJ/mol   
25

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+
Not Available   

Electron Work Function
3.50 eV   
31
Not Available   

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

Atomic Properties

Atomic Number
21   
99+
106   
12

Electron Configuration
[Ar] 3d1 4s2   
[Rn] 5f14 6d2 7s2   

Crystal Structure
Hexagonal Close Packed (HCP)   
Body Centered Cubic (BCC)   

Crystal Lattice
HCP-Crystal-Structure-of-Scandium.jpg#100   
BCC-Crystal-Structure-.jpg#100   

Atom
  
  

Number of Protons
21   
99+
106   
12

Number of Neutrons
24   
99+
157   
7

Number of Electrons
21   
99+
106   
12

Radius of an Atom
  
  

Atomic Radius
162.00 pm   
26
132.00 pm   
99+

Covalent Radius
170.00 pm   
25
143.00 pm   
99+

Van der Waals Radius
211.00 pm   
25
Not Available   

Atomic Weight
44.96 amu   
99+
269.00 amu   
9

Atomic Volume
15.00 cm3/mol   
34
Not Available   

Adjacent Atomic Numbers
  
  

Previous Element
Calcium
  
Dubnium
  

Next Element
Titanium
  
Bohrium
  

Valence Electron Potential
58.00 (-eV)   
24
Not Available   

Lattice Constant
330.90 pm   
99+
Not Available   

Lattice Angles
π/2, π/2, 2 π/3   
Unknown   

Lattice C/A Ratio
1.59   
7
Not Available   

Mechanical Properties

Density
  
  

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

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   

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