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Gallium vs Yttrium

Gallium
Yttrium
Yttrium vs Gallium


Periodic Table
Symbol
Ga  
Y  
Group Number
13  
5
3  
15
Period Number
4  
5  
Block
p block  
d block  
Element Family
Post-​Transition  
Transition Metal  
CAS Number
7440553  
32
7440655  
25
Space Group Name
Cmca  
P63/mmc  
Space Group Number
64.00  
12
194.00  
7
Facts
Interesting Facts
  • A gram of Gallium metal can be bought for only three dollars.
  • Gallium metal found in ores of following things Coal, Bauxite, Diaspore, Sphalerite, Germanite and Zinc.
  
  • Yttrium Metal is highly toxic.
  • Yttrium Metal is highly reactive in nature hence not found free in nature.
  
Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals  
Found in Minerals, Mining, Ores of Minerals  
History
  
  
Who Discovered
Lecoq de Boisbaudran  
Johan Gadolin  
Discovery
In 1875  
In 1794  
Abundance
  
  
Abundance In Universe
0.00 %  
17
0.00 %  
18
Abundance In Sun
0.00 %  
16
0.00 %  
26
Abundance In Meteorites
0.00 %  
16
0.00 %  
21
Abundance In Earth's Crust
0.00 %  
24
0.00 %  
22
Abundance In Oceans
0.00 %  
22
0.00 %  
25
Abundance In Humans
0.00 %  
24
0.00 %  
24
Uses
Uses & Benefits
  • Gallium arsenide is a very important component of many semiconductors and led manufacturing.
  • Gallium nitride is also know as a semiconductor and it is used in Blu-ray technology, mobile smartphones and LED.
  
  • 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.
  
Industrial Uses
Electrical Industry, Electronic Industry  
Electrical Industry, Electronic Industry  
Medical Uses
Surgical Instruments Manufacturing  
-  
Other Uses
Alloys  
Alloys  
Biological Properties
  
  
Toxicity
Non Toxic  
Highly Toxic  
Present in Human Body
Yes  
Yes  
In Blood
0.08 Blood/mg dm-3  
13
0.00 Blood/mg dm-3  
26
In Bone
0.00 p.p.m.  
99+
0.07 p.p.m.  
30
Physical
Melting Point
29.78 °C  
99+
1,523.00 °C  
27
Boiling Point
2,403.00 °C  
99+
3,337.00 °C  
22
Appearance
  
  
Physical State
Solid  
Solid  
Color
Silvery White  
Silvery White  
Luster
Metallic  
-  
Hardness
  
  
Mohs Hardness
1.50  
19
4.00  
11
Brinell Hardness
56.80 MPa  
99+
589.00 MPa  
26
Vickers Hardness
111.00 MPa  
99+
590.00 MPa  
29
Speed of Sound
2,740.00 m/s  
99+
3,300.00 m/s  
34
Optical Properties
  
  
Refractive Index
1.81  
20
1.90  
18
Reflectivity
36.00 %  
33
83.00 %  
6
Allotropes
No  
No  
α Allotropes
-  
-  
β Allotropes
-  
-  
γ Allotropes
-  
-  
Chemical
Chemical Formula
Ga  
Y  
Isotopes
  
  
Known Isotopes
24  
15
19  
20
Electronegativity
  
  
Pauling Electronegativity
1.81  
16
1.22  
39
Sanderson Electronegativity
2.42  
2
0.65  
99+
Allred Rochow Electronegativity
1.82  
2
1.11  
30
Mulliken-Jaffe Electronegativity
2.01  
9
1.22  
38
Allen Electronegativity
1.76  
17
1.12  
99+
Electropositivity
  
  
Pauling Electropositivity
2.19  
40
2.78  
16
Ionization Energies
  
  
1st Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
2nd Energy Level
1,979.30 kJ/mol  
13
1,180.00 kJ/mol  
99+
3rd Energy Level
2,963.00 kJ/mol  
28
1,980.00 kJ/mol  
99+
4th Energy Level
6,180.00 kJ/mol  
16
5,847.00 kJ/mol  
19
5th Energy Level
5,787.00 kJ/mol  
99+
7,430.00 kJ/mol  
22
6th Energy Level
5,787.00 kJ/mol  
99+
8,970.00 kJ/mol  
23
7th Energy level
5,780.00 kJ/mol  
99+
11,190.00 kJ/mol  
18
8th Energy Level
5,780.00 kJ/mol  
99+
12,450.00 kJ/mol  
18
9th Energy Level
5,787.00 kJ/mol  
99+
14,110.00 kJ/mol  
19
10th Energy Level
5,787.00 kJ/mol  
99+
18,400.00 kJ/mol  
17
11th Energy Level
5,780.00 kJ/mol  
99+
19,900.00 kJ/mol  
18
12th Energy Level
57,800.00 kJ/mol  
20
36,090.00 kJ/mol  
25
13th Energy Level
5,780.00 kJ/mol  
99+
6,000.00 kJ/mol  
99+
14th Energy Level
578.00 kJ/mol  
99+
6,000.00 kJ/mol  
33
15th Energy Level
57,800.00 kJ/mol  
99+
60,000.00 kJ/mol  
99+
16th Energy Level
57,800.00 kJ/mol  
99+
60,000.00 kJ/mol  
34
17th Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
18th Energy Level
5,787.00 kJ/mol  
99+
6,000.00 kJ/mol  
99+
19th Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
20th Energy Level
578.00 kJ/mol  
99+
600.00 kJ/mol  
99+
21st Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
22nd Energy Level
578.00 kJ/mol  
99+
600.00 kJ/mol  
99+
23rd Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
24th Energy Level
578.80 kJ/mol  
99+
600.00 kJ/mol  
99+
25th Energy Level
578.00 kJ/mol  
99+
600.00 kJ/mol  
99+
26th Energy Level
578.80 kJ/mol  
99+
604.50 kJ/mol  
99+
27th Energy Level
578.80 kJ/mol  
99+
604.50 kJ/mol  
99+
28th Energy Level
578.80 kJ/mol  
99+
604.50 kJ/mol  
99+
29th Energy Level
578.80 kJ/mol  
99+
604.50 kJ/mol  
99+
30th Energy Level
578.80 kJ/mol  
99+
604.50 kJ/mol  
99+
Electrochemical Equivalent
0.87 g/amp-hr  
99+
1.11 g/amp-hr  
99+
Electron Work Function
4.20 eV  
30
3.10 eV  
99+
Other Chemical Properties
Ionization, Radioactive Isotopes  
Chemical Stability, Flammable, Ionization, Radioactive Isotopes, Solubility  
Atomic
Atomic Number
31  
99+
39  
99+
Electron Configuration
[Ar] 3d10 4s2 4p1  
[Kr] 4d1 5s2  
Crystal Structure
Orthorhombic (ORTH)  
Hexagonal Close Packed (HCP)  
Crystal Lattice
ORTH-Crystal-Structure-of-Gallium.jpg#100  
HCP-Crystal-Structure-of-Yttrium.jpg#100  
Atom
  
  
Number of Protons
31  
99+
39  
99+
Number of Neutrons
39  
99+
50  
99+
Number of Electrons
31  
99+
39  
99+
Radius of an Atom
  
  
Atomic Radius
135.00 pm  
99+
180.00 pm  
16
Covalent Radius
122.00 pm  
99+
190.00 pm  
18
Van der Waals Radius
187.00 pm  
39
200.00 pm  
35
Atomic Weight
69.72 amu  
99+
88.91 amu  
99+
Atomic Volume
11.80 cm3/mol  
99+
19.80 cm3/mol  
33
Adjacent Atomic Numbers
  
  
Previous Element
Zinc
  
Strontium
  
Next Element
Rubidium
  
Zirconium
  
Valence Electron Potential
69.70 (-eV)  
19
48.00 (-eV)  
31
Lattice Constant
451.97 pm  
20
364.74 pm  
34
Lattice Angles
π/2, π/2, π/2  
π/2, π/2, 2 π/3  
Lattice C/A Ratio
1.30  
99+
1.57  
39
Mechanical
Density
  
  
Density At Room Temperature
5.91 g/cm3  
99+
4.47 g/cm3  
99+
Density When Liquid (at m.p.)
6.10 g/cm3  
99+
4.24 g/cm3  
99+
Tensile Strength
41.00 MPa  
99+
160.00 MPa  
22
Viscosity
0.00  
23
0.00  
18
Vapor Pressure
  
  
Vapor Pressure at 1000 K
0.00 (Pa)  
15
0.00 (Pa)  
34
Vapor Pressure at 2000 K
0.00 (Pa)  
30
4.27 (Pa)  
10
Elasticity properties
  
  
Shear Modulus
7.20 GPa  
99+
25.60 GPa  
37
Bulk Modulus
37.30 GPa  
99+
41.20 GPa  
35
Young's Modulus
9.80 GPa  
99+
63.50 GPa  
34
Poisson Ratio
0.47  
1
0.24  
26
Other Mechanical Properties
-  
Ductile  
Magnetic
Magnetic Characteristics
  
  
Specific Gravity
5.91  
99+
4.47  
99+
Magnetic Ordering
Diamagnetic  
Paramagnetic  
Permeability
0.00 H/m  
11
0.00 H/m  
18
Susceptibility
0.00  
7
0.00  
24
Electrical Properties
  
  
Electrical Property
Semiconductor  
Conductor  
Resistivity
270.00 nΩ·m  
15
596.00 nΩ·m  
8
Electrical Conductivity
0.07 106/cm Ω  
34
0.02 106/cm Ω  
99+
Electron Affinity
28.90 kJ/mol  
37
29.60 kJ/mol  
36
Thermal
Specific Heat
0.37 J/(kg K)  
16
0.30 J/(kg K)  
18
Molar Heat Capacity
25.86 J/mol·K  
99+
26.53 J/mol·K  
35
Thermal Conductivity
40.60 W/m·K  
34
17.20 W/m·K  
99+
Critical Temperature
302.00 K  
99+
1,799.00 K  
31
Thermal Expansion
18.00 µm/(m·K)  
26
10.60 µm/(m·K)  
99+
Enthalpy
  
  
Enthalpy of Vaporization
256.10 kJ/mol  
99+
393.00 kJ/mol  
25
Enthalpy of Fusion
5.59 kJ/mol  
99+
17.15 kJ/mol  
16
Enthalpy of Atomization
276.10 kJ/mol  
99+
418.00 kJ/mol  
23
Standard Molar Entropy
40.80 J/mol.K  
99+
44.40 J/mol.K  
99+
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