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Rhenium
Rhenium

Gallium
Gallium



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Rhenium
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Gallium

Rhenium Gallium Comparison

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1 Periodic Table
1.1 Symbol
Re
Ga
1.2 Group Number
713
Gadolinium Metal
0 17
1.8 Period Number
64
Lithium Metal
2 7
2.5 Block
d block
p block
2.6 Element Family
Transition Metal
Post-​Transition
2.7 CAS Number
74401557440553
Aluminium Metal
7429905 54386242
3.3 Space Group Name
P63/mmc
Cmca
3.4 Space Group Number
194.0064.00
Plutonium Metal
11 229
4 Facts
4.1 Interesting Facts
  • Chemical properties of Rhenium are similar to Manganese.
  • Rhenium metal is created while refining Molybdenum.
  • 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.
4.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Masataka Ogawa
Lecoq de Boisbaudran
4.3.2 Discovery
In 1908
In 1875
4.4 Abundance
4.4.1 Abundance In Universe
2 * 10-8 %1 * 10-6 %
Thallium Metal
5E-09 0.11
4.4.6 Abundance In Sun
~0.00000001 %~0.000004 %
Beryllium Metal
1E-08 0.1
5.4.2 Abundance In Meteorites
0.00 %0.00 %
Gold Metal
1.7E-07 22
6.1.2 Abundance In Earth's Crust
0.00 %0.00 %
Radium Metal
9.9E-12 8.1
6.2.2 Abundance In Oceans
0.00 %0.00 %
Protactinium Metal
2E-23 1.1
6.2.3 Abundance In Humans
NANA
Radium Metal
1E-13 1.4
7 Uses
7.1 Uses & Benefits
  • Alloys of Rhenium are used as an electric contact material. It can resist withstand arc corrosion.
  • Its catalysts are used in hydrogenation of fine chemicals. Its Alloy with nickel is used to produce turbine blades.
  • 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.
7.1.1 Industrial Uses
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
Electrical Industry, Electronic Industry
7.1.2 Medical Uses
NA
Surgical Instruments Manufacturing
7.1.4 Other Uses
Alloys
Alloys
7.2 Biological Properties
7.2.1 Toxicity
Low Toxic
Non Toxic
7.2.2 Present in Human Body
7.2.3 In Blood
NA0.08 Blood/mg dm-3
Plutonium Metal
0 1970
7.2.6 In Bone
NANA
Plutonium Metal
0 170000
8 Physical
8.1 Melting Point
3,180.00 °C29.78 °C
Francium Metal
27 3410
8.3 Boiling Point
5,627.00 °C2,403.00 °C
Flerovium Metal
147 5660
8.4 Appearance
8.4.1 Physical State
Solid
Solid
8.4.2 Color
Silvery Gray
Silvery White
8.4.3 Luster
Metallic
Metallic
8.5 Hardness
8.5.1 Mohs Hardness
7.001.50
Cesium Metal
0.2 8.5
8.6.3 Brinell Hardness
1,320.00 MPa56.80 MPa
Cesium Metal
0.14 3490
9.2.2 Vickers Hardness
1,350.00 MPaNA
Palladium Metal
121 3430
9.4 Speed of Sound
4,700.00 m/s2,740.00 m/s
Thallium Metal
818 16200
9.5 Optical Properties
9.5.1 Refractive Index
NANA
Mercury Metal
1.000933 1.7229
9.5.3 Reflectivity
NANA
Molybdenum Metal
58 97
9.6 Allotropes
9.6.1 α Allotropes
Not Available
Not Available
9.6.2 β Allotropes
Not Available
Not Available
9.6.3 γ Allotropes
Not Available
Not Available
10 Chemical
10.1 Chemical Formula
Re
Ga
10.2 Isotopes
10.2.1 Known Isotopes
3324
Tennessine Metal
0 38
10.3 Electronegativity
10.3.1 Pauling Electronegativity
1.901.81
Francium Metal
0.7 2.54
10.3.5 Sanderson Electronegativity
NA2.42
Cesium Metal
0.22 2.56
10.4.2 Allred Rochow Electronegativity
1.461.82
Cesium Metal
0.86 1.82
10.4.4 Mulliken-Jaffe Electronegativity
NA2.01
Cesium Metal
0.62 2.48
10.5.3 Allen Electronegativity
1.601.76
Cesium Metal
0.659 2.7
10.6 Electropositivity
10.6.1 Pauling Electropositivity
2.102.19
Gold Metal
1.46 3.3
10.7 Ionization Energies
10.7.1 1st Energy Level
760.00 kJ/mol578.80 kJ/mol
Cesium Metal
375.7 26130
10.7.5 2nd Energy Level
1,260.00 kJ/mol1,979.30 kJ/mol
Ruthenium Metal
710.2162 28750
10.7.8 3rd Energy Level
2,510.00 kJ/mol2,963.00 kJ/mol
Osmium Metal
1600 34230
10.7.11 4th Energy Level
3,640.00 kJ/mol6,180.00 kJ/mol
Thorium Metal
2780 37066
10.8.1 5th Energy Level
NANA
Dubnium Metal
4305.2 97510
10.8.3 6th Energy Level
NANA
Seaborgium Metal
5715.8 105800
10.9.2 7th Energy level
NANA
Bohrium Metal
7226.8 114300
11.1.2 8th Energy Level
NANA
Hassium Metal
8857.4 125300
11.4.2 9th Energy Level
NANA
Yttrium Metal
14110 134700
11.4.4 10th Energy Level
NANA
Strontium Metal
17100 144300
11.4.7 11th Energy Level
NANA
Yttrium Metal
19900 169988
11.4.10 12th Energy Level
NANA
Molybdenum Metal
22219 189368
11.5.3 13th Energy Level
NANA
Molybdenum Metal
26930 76015
11.5.6 14th Energy Level
NANA
Molybdenum Metal
29196 86450
11.6.2 15th Energy Level
NANA
Manganese Metal
41987 97510
11.7.2 16th Energy Level
NANA
Iron Metal
47206 109480
11.9.1 17th Energy Level
NANA
Cobalt Metal
52737 122200
11.10.1 18th Energy Level
NANA
Nickel Metal
58570 134810
11.11.1 19th Energy Level
NANA
Copper Metal
64702 148700
12.1.2 20th Energy Level
NANA
Molybdenum Metal
80400 171200
12.1.4 21st Energy Level
NANA
Molybdenum Metal
87000 179100
12.1.7 22nd Energy Level
NANA
Molybdenum Metal
93400 184900
12.1.9 23rd Energy Level
NANA
Molybdenum Metal
98420 198800
12.2.2 24th Energy Level
NANA
Molybdenum Metal
104400 195200
12.3.1 25th Energy Level
NANA
Molybdenum Metal
121900 121900
12.4.2 26th Energy Level
NANA
Molybdenum Metal
127700 127700
12.4.5 27th Energy Level
NANA
Molybdenum Metal
133800 133800
12.5.2 28th Energy Level
NANA
Molybdenum Metal
139800 139800
12.5.4 29th Energy Level
NANA
Molybdenum Metal
148100 148100
12.5.7 30th Energy Level
NANA
Molybdenum Metal
154500 154500
12.6 Electrochemical Equivalent
0.99 g/amp-hr0.87 g/amp-hr
Beryllium Metal
0.16812 8.3209
12.7 Electron Work Function
4.96 eV4.20 eV
Cesium Metal
2.14 5.65
13.2 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Solubility
Ionization, Radioactive Isotopes
14 Atomic
14.1 Atomic Number
7531
Lithium Metal
3 117
14.3 Electron Configuration
[Xe] 4f14 5d5 6s2
[Ar] 3d10 4s2 4p1
14.4 Crystal Structure
Hexagonal Close Packed (HCP)
Orthorhombic (ORTH)
14.4.1 Crystal Lattice
14.5 Atom
14.5.1 Number of Protons
7531
Lithium Metal
3 117
15.2.3 Number of Neutrons
11139
Lithium Metal
4 184
15.5.3 Number of Electrons
7531
Lithium Metal
3 117
15.6 Radius of an Atom
15.6.1 Atomic Radius
137.00 pm135.00 pm
Beryllium Metal
112 265
15.6.3 Covalent Radius
151.00 pm122.00 pm
Beryllium Metal
96 260
16.1.1 Van der Waals Radius
200.00 pm187.00 pm
Zinc Metal
139 348
16.3 Atomic Weight
186.21 amu69.72 amu
Lithium Metal
6.94 294
16.6 Atomic Volume
8.85 cm3/mol11.80 cm3/mol
Manganese Metal
1.39 71.07
16.8 Adjacent Atomic Numbers
16.8.1 Previous Element
16.8.2 Next Element
16.9 Valence Electron Potential
180.00 (-eV)69.70 (-eV)
Francium Metal
8 392.42
16.11 Lattice Constant
276.10 pm451.97 pm
Beryllium Metal
228.58 891.25
16.14 Lattice Angles
π/2, π/2, 2 π/3
π/2, π/2, π/2
16.15 Lattice C/A Ratio
1.62NA
Beryllium Metal
1.567 1.886
17 Mechanical
17.1 Density
17.1.1 Density At Room Temperature
21.02 g/cm35.91 g/cm3
Lithium Metal
0.534 40.7
17.2.2 Density When Liquid (at m.p.)
18.90 g/cm36.10 g/cm3
Lithium Metal
0.512 20
17.6 Tensile Strength
1,070.00 MPaNA
Indium Metal
2.5 11000
17.8 Viscosity
NANA
Mercury Metal
0.001526 0.001526
17.11 Vapor Pressure
17.11.1 Vapor Pressure at 1000 K
NA0.00 (Pa)
Cerium Metal
2.47E-11 121
18.1.2 Vapor Pressure at 2000 K
0.00 (Pa)NA
Tungsten Metal
2.62E-10 774
18.2 Elasticity properties
18.2.1 Shear Modulus
178.00 GPaNA
Potassium Metal
1.3 222
18.2.3 Bulk Modulus
370.00 GPaNA
Cesium Metal
1.6 462
18.3.1 Young's Modulus
463.00 GPa9.80 GPa
Cesium Metal
1.7 528
18.6 Poisson Ratio
0.300.47
Beryllium Metal
0.032 0.47
18.7 Other Mechanical Properties
Ductile, Malleable
NA
19 Magnetic
19.1 Magnetic Characteristics
19.1.1 Specific Gravity
21.025.91
Lithium Metal
0.53 4500
19.1.3 Magnetic Ordering
Paramagnetic
Diamagnetic
19.1.4 Permeability
NANA
Bismuth Metal
1.25643E-06 0.0063
19.2.2 Susceptibility
NANA
Bismuth Metal
-0.000166 200000
19.3 Electrical Properties
19.3.1 Electrical Property
Conductor
Semiconductor
19.3.2 Resistivity
193.00 nΩ·m270.00 nΩ·m
Thallium Metal
0.18 961
19.3.4 Electrical Conductivity
0.05 106/cm Ω0.07 106/cm Ω
Plutonium Metal
0.00666 0.63
19.3.6 Electron Affinity
14.50 kJ/mol28.90 kJ/mol
Mercury Metal
0 222.8
20 Thermal
20.1 Specific Heat
0.13 J/(kg K)0.37 J/(kg K)
Americium Metal
0.11 3.6
21.2 Molar Heat Capacity
25.48 J/mol·K25.86 J/mol·K
Beryllium Metal
16.443 62.7
21.3 Thermal Conductivity
48.00 W/m·K40.60 W/m·K
Neptunium Metal
6.3 429
21.4 Critical Temperature
NANA
Ytterbium Metal
26.3 3223
21.6 Thermal Expansion
6.20 µm/(m·K)18.00 µm/(m·K)
Tungsten Metal
4.5 97
21.7 Enthalpy
21.7.1 Enthalpy of Vaporization
707.10 kJ/mol256.10 kJ/mol
Zinc Metal
7.32 799.1
21.7.2 Enthalpy of Fusion
33.05 kJ/mol5.59 kJ/mol
Cesium Metal
2.1 35.23
21.7.4 Enthalpy of Atomization
791.00 kJ/mol276.10 kJ/mol
Mercury Metal
61.5 837
22.2 Standard Molar Entropy
36.90 J/mol.K40.80 J/mol.K
Beryllium Metal
9.5 198.1