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Yttrium vs Seaborgium

Yttrium
Seaborgium
Seaborgium vs Yttrium


Periodic Table
Symbol
Y  
Sg  
Group Number
3  
15
6  
12
Period Number
5  
7  
Block
d block  
d block  
Element Family
Transition Metal  
Transition Metal  
CAS Number
7440655  
25
54038812  
9
Space Group Name
P63/mmc  
-  
Space Group Number
194.00  
7
166.00  
9
Facts
Interesting Facts
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
  • 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 Minerals  
Synthetically Produced  
History
  
  
Who Discovered
Johan Gadolin  
Lawrence Berkeley National Laboratory  
Discovery
In 1794  
In 1974  
Abundance
  
  
Abundance In Universe
0.00 %  
18
0.00 %  
40
Abundance In Sun
0.00 %  
26
-  
Abundance In Meteorites
0.00 %  
21
-  
Abundance In Earth's Crust
0.00 %  
22
-  
Abundance In Oceans
0.00 %  
25
-  
Abundance In Humans
0.00 %  
24
-  
Uses
Uses & Benefits
  • Yttrium metal is used in different alloys, as it increases the strength of aluminum Magnesium alloy. It is used for radar microwave filter.
  • It is also used as a catalyst in ethene polymerisation.
  
  • Currently known uses of Seaborgium metal are limited to research purpose only.
  
Industrial Uses
Electrical Industry, Electronic Industry  
-  
Medical Uses
-  
-  
Other Uses
Alloys  
Research Purposes  
Biological Properties
  
  
Toxicity
Highly Toxic  
-  
Present in Human Body
Yes  
No  
In Blood
0.00 Blood/mg dm-3  
26
0.00 Blood/mg dm-3  
27
In Bone
0.07 p.p.m.  
30
0.00 p.p.m.  
99+
Physical
Melting Point
1,523.00 °C  
27
-  
Boiling Point
3,337.00 °C  
22
0.00 °C  
99+
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
-  
Luster
-  
Unknown Luster  
Hardness
  
  
Mohs Hardness
4.00  
11
6.00  
6
Brinell Hardness
589.00 MPa  
26
400.00 MPa  
34
Vickers Hardness
590.00 MPa  
29
520.00 MPa  
33
Speed of Sound
3,300.00 m/s  
34
3,200.00 m/s  
35
Optical Properties
  
  
Refractive Index
1.90  
18
1.30  
99+
Reflectivity
83.00 %  
6
68.00 %  
15
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Y  
Sg  
Isotopes
  
  
Known Isotopes
19  
20
9  
29
Electronegativity
  
  
Pauling Electronegativity
1.22  
39
0.00  
99+
Sanderson Electronegativity
0.65  
99+
1.90  
13
Allred Rochow Electronegativity
1.11  
30
1.30  
25
Mulliken-Jaffe Electronegativity
1.22  
38
1.30  
33
Allen Electronegativity
1.12  
99+
1.90  
8
Electropositivity
  
  
Pauling Electropositivity
2.78  
16
2.20  
39
Ionization Energies
  
  
1st Energy Level
600.00 kJ/mol  
99+
757.40 kJ/mol  
21
2nd Energy Level
1,180.00 kJ/mol  
99+
1,732.90 kJ/mol  
29
3rd Energy Level
1,980.00 kJ/mol  
99+
2,483.50 kJ/mol  
99+
4th Energy Level
5,847.00 kJ/mol  
19
3,415.60 kJ/mol  
99+
5th Energy Level
7,430.00 kJ/mol  
22
4,561.80 kJ/mol  
99+
6th Energy Level
8,970.00 kJ/mol  
23
5,715.80 kJ/mol  
99+
7th Energy level
11,190.00 kJ/mol  
18
5,700.00 kJ/mol  
99+
8th Energy Level
12,450.00 kJ/mol  
18
5,700.00 kJ/mol  
99+
9th Energy Level
14,110.00 kJ/mol  
19
5,710.00 kJ/mol  
99+
10th Energy Level
18,400.00 kJ/mol  
17
6,270.00 kJ/mol  
99+
11th Energy Level
19,900.00 kJ/mol  
18
6,600.00 kJ/mol  
39
12th Energy Level
36,090.00 kJ/mol  
25
971.00 kJ/mol  
99+
13th Energy Level
6,000.00 kJ/mol  
99+
5,700.00 kJ/mol  
99+
14th Energy Level
6,000.00 kJ/mol  
33
5,700.00 kJ/mol  
99+
15th Energy Level
60,000.00 kJ/mol  
99+
54,000.00 kJ/mol  
99+
16th Energy Level
60,000.00 kJ/mol  
34
64,000.00 kJ/mol  
27
17th Energy Level
600.00 kJ/mol  
99+
579.80 kJ/mol  
99+
18th Energy Level
6,000.00 kJ/mol  
99+
3,300.00 kJ/mol  
99+
19th Energy Level
600.00 kJ/mol  
99+
579.80 kJ/mol  
99+
20th Energy Level
600.00 kJ/mol  
99+
579.00 kJ/mol  
99+
21st Energy Level
600.00 kJ/mol  
99+
6,270.00 kJ/mol  
14
22nd Energy Level
600.00 kJ/mol  
99+
573.00 kJ/mol  
99+
23rd Energy Level
600.00 kJ/mol  
99+
5,790.00 kJ/mol  
22
24th Energy Level
600.00 kJ/mol  
99+
971.00 kJ/mol  
4
25th Energy Level
600.00 kJ/mol  
99+
0.00 kJ/mol  
99+
26th Energy Level
604.50 kJ/mol  
99+
579.10 kJ/mol  
99+
27th Energy Level
604.50 kJ/mol  
99+
870.00 kJ/mol  
7
28th Energy Level
604.50 kJ/mol  
99+
870.00 kJ/mol  
10
29th Energy Level
604.50 kJ/mol  
99+
761.90 kJ/mol  
21
30th Energy Level
604.50 kJ/mol  
99+
0.00 kJ/mol  
99+
Electrochemical Equivalent
1.11 g/amp-hr  
99+
3.20 g/amp-hr  
14
Electron Work Function
3.10 eV  
99+
6.00 eV  
1
Other Chemical Properties
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility  
-  
Atomic
Atomic Number
39  
99+
106  
12
Electron Configuration
[Kr] 4d1 5s2  
[Rn] 5f14 6d2 7s2  
Crystal Structure
Hexagonal Close Packed (HCP)  
Body Centered Cubic (BCC)  
Crystal Lattice
HCP-Crystal-Structure-of-Yttrium.jpg#100  
BCC-Crystal-Structure-.jpg#100  
Atom
  
  
Number of Protons
39  
99+
106  
12
Number of Neutrons
50  
99+
157  
8
Number of Electrons
39  
99+
106  
12
Radius of an Atom
  
  
Atomic Radius
180.00 pm  
16
132.00 pm  
99+
Covalent Radius
190.00 pm  
18
143.00 pm  
99+
Van der Waals Radius
200.00 pm  
35
230.00 pm  
24
Atomic Weight
88.91 amu  
99+
269.00 amu  
9
Atomic Volume
19.80 cm3/mol  
33
35.00 cm3/mol  
8
Adjacent Atomic Numbers
  
  
Previous Element
Strontium
  
Dubnium
  
Next Element
Zirconium
  
Bohrium
  
Valence Electron Potential
48.00 (-eV)  
31
6.10 (-eV)  
99+
Lattice Constant
364.74 pm  
34
-  
Lattice Angles
π/2, π/2, 2 π/3  
-  
Lattice C/A Ratio
1.57  
39
1.36  
99+
Mechanical
Density
  
  
Density At Room Temperature
4.47 g/cm3  
99+
35.00 g/cm3  
4
Density When Liquid (at m.p.)
4.24 g/cm3  
99+
35.00 g/cm3  
4
Tensile Strength
160.00 MPa  
22
30.00 MPa  
99+
Viscosity
0.00  
18
0.00  
25
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
34
0.00 (Pa)  
37
Vapor Pressure at 2000 K
4.27 (Pa)  
10
0.00 (Pa)  
99+
Elasticity properties
  
  
Shear Modulus
25.60 GPa  
37
30.00 GPa  
27
Bulk Modulus
41.20 GPa  
35
0.00 GPa  
99+
Young's Modulus
63.50 GPa  
34
12.60 GPa  
99+
Poisson Ratio
0.24  
26
0.25  
24
Other Mechanical Properties
Ductile  
-  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
4.47  
99+
35.00  
6
Magnetic Ordering
Paramagnetic  
-  
Permeability
0.00 H/m  
18
0.00 H/m  
7
Susceptibility
0.00  
24
0.00  
24
Electrical Properties
  
  
Electrical Property
Conductor  
-  
Resistivity
596.00 nΩ·m  
8
0.38 nΩ·m  
99+
Electrical Conductivity
0.02 106/cm Ω  
99+
0.00 106/cm Ω  
99+
Electron Affinity
29.60 kJ/mol  
36
50.00 kJ/mol  
26
Thermal
Specific Heat
0.30 J/(kg K)  
18
0.27 J/(kg K)  
19
Molar Heat Capacity
26.53 J/mol·K  
35
35.00 J/mol·K  
5
Thermal Conductivity
17.20 W/m·K  
99+
0.14 W/m·K  
99+
Critical Temperature
1,799.00 K  
31
1,200.00 K  
99+
Thermal Expansion
10.60 µm/(m·K)  
99+
11.00 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
393.00 kJ/mol  
25
585.00 kJ/mol  
10
Enthalpy of Fusion
17.15 kJ/mol  
16
-  
Enthalpy of Atomization
418.00 kJ/mol  
23
650.00 kJ/mol  
8
Standard Molar Entropy
44.40 J/mol.K  
99+
42.70 J/mol.K  
99+
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