1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
Post-Transition
Actinide
1.6 CAS Number
74405537440133
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 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.
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
2.2 Sources
Earth's crust, Found in Minerals, Mining, Ores of Minerals
Found in Uranium Ores, Mining, Ores of metals
2.3 History
2.3.1 Who Discovered
Lecoq de Boisbaudran
William Crookes
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~0.000004 %~-9999 %
1E-08
0.1
2.4.6 Abundance In Meteorites
2.5.1 Abundance In Earth's Crust
2.6.1 Abundance In Oceans
2.6.2 Abundance In Humans
4 Uses
4.1 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.
- Currently known uses of Protactinium metal are limited to research purpose only.
4.1.1 Industrial Uses
Electrical Industry, Electronic Industry
NA
4.1.2 Medical Uses
Surgical Instruments Manufacturing
NA
4.1.3 Other Uses
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.2.3 In Blood
0.08 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.5.2 In Bone
5 Physical
5.1 Melting Point
29.78 °C1,568.00 °C
27
3410
5.2 Boiling Point
2,403.00 °C4,027.00 °C
147
5660
5.3 Appearance
5.3.1 Physical State
5.3.2 Color
5.3.3 Luster
5.4 Hardness
5.4.1 Mohs Hardness
5.5.2 Brinell Hardness
5.5.5 Vickers Hardness
5.7 Speed of Sound
5.9 Optical Properties
5.9.1 Refractive Index
5.9.2 Reflectivity
5.12 Allotropes
5.12.1 α Allotropes
Not Available
Not Available
5.12.2 β Allotropes
Not Available
Not Available
5.12.3 γ Allotropes
Not Available
Not Available
6 Chemical
6.1 Chemical Formula
6.2 Isotopes
6.2.1 Known Isotopes
6.4 Electronegativity
6.4.1 Pauling Electronegativity
7.1.2 Sanderson Electronegativity
7.1.3 Allred Rochow Electronegativity
7.1.5 Mulliken-Jaffe Electronegativity
7.2.1 Allen Electronegativity
7.4 Electropositivity
7.4.1 Pauling Electropositivity
7.6 Ionization Energies
7.6.1 1st Energy Level
578.80 kJ/mol568.00 kJ/mol
375.7
26130
7.6.3 2nd Energy Level
1,979.30 kJ/mol1,128.00 kJ/mol
710.2162
28750
7.7.2 3rd Energy Level
2,963.00 kJ/mol1,814.00 kJ/mol
1600
34230
7.7.4 4th Energy Level
6,180.00 kJ/mol2,991.00 kJ/mol
2780
37066
7.7.5 5th Energy Level
7.7.7 6th Energy Level
7.8.1 7th Energy level
7.8.2 8th Energy Level
8.1.2 9th Energy Level
8.1.5 10th Energy Level
8.1.7 11th Energy Level
8.2.3 12th Energy Level
8.2.5 13th Energy Level
8.2.7 14th Energy Level
8.2.8 15th Energy Level
9.1.1 16th Energy Level
9.2.1 17th Energy Level
9.3.1 18th Energy Level
9.3.2 19th Energy Level
9.4.1 20th Energy Level
9.5.1 21st Energy Level
9.5.2 22nd Energy Level
9.6.2 23rd Energy Level
9.6.3 24th Energy Level
9.6.5 25th Energy Level
9.6.6 26th Energy Level
9.6.8 27th Energy Level
9.7.1 28th Energy Level
9.7.2 29th Energy Level
9.7.3 30th Energy Level
9.8 Electrochemical Equivalent
0.87 g/amp-hr1.72 g/amp-hr
0.16812
8.3209
9.9 Electron Work Function
9.10 Other Chemical Properties
Ionization, Radioactive Isotopes
Ionization, Radioactive Isotopes, Radioactivity
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Ar] 3d10 4s2 4p1
[Rn] 5f2 6d1 7s2
10.3 Crystal Structure
Orthorhombic (ORTH)
Tetragonal (TETR)
10.3.1 Crystal Lattice
10.4 Atom
10.4.1 Number of Protons
10.4.2 Number of Neutrons
10.4.3 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
135.00 pm163.00 pm
112
265
10.5.2 Covalent Radius
122.00 pm200.00 pm
96
260
10.5.3 Van der Waals Radius
187.00 pm243.00 pm
139
348
10.6 Atomic Weight
69.72 amu231.04 amu
6.94
294
10.7 Atomic Volume
11.80 cm3/mol15.00 cm3/mol
1.39
71.07
10.8 Adjacent Atomic Numbers
10.8.1 Previous Element
10.8.2 Next Element
10.9 Valence Electron Potential
69.70 (-eV)92.00 (-eV)
8
392.42
10.10 Lattice Constant
451.97 pm392.50 pm
228.58
891.25
10.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
5.91 g/cm315.37 g/cm3
0.534
40.7
11.1.2 Density When Liquid (at m.p.)
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
11.4.2 Vapor Pressure at 2000 K
11.5 Elasticity properties
11.5.1 Shear Modulus
11.5.2 Bulk Modulus
11.5.3 Young's Modulus
11.6 Poisson Ratio
11.7 Other Mechanical Properties
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.1.2 Magnetic Ordering
12.1.3 Permeability
12.1.4 Susceptibility
12.2 Electrical Properties
12.2.1 Electrical Property
12.2.2 Resistivity
270.00 nΩ·m177.00 nΩ·m
0.18
961
12.2.3 Electrical Conductivity
0.07 106/cm Ω0.05 106/cm Ω
0.00666
0.63
12.2.4 Electron Affinity
13 Thermal
13.1 Specific Heat
0.37 J/(kg K)0.12 J/(kg K)
0.11
3.6
13.2 Molar Heat Capacity
25.86 J/mol·KNA
16.443
62.7
13.3 Thermal Conductivity
40.60 W/m·K47.00 W/m·K
6.3
429
13.4 Critical Temperature
13.5 Thermal Expansion
18.00 µm/(m·K)9.90 µm/(m·K)
4.5
97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
256.10 kJ/molNA
7.32
799.1
13.6.2 Enthalpy of Fusion
5.59 kJ/mol12.34 kJ/mol
2.1
35.23
13.6.3 Enthalpy of Atomization
13.7 Standard Molar Entropy
40.80 J/mol.K198.10 J/mol.K
9.5
198.1