1 Periodic Table
1.1 Symbol
1.2 Group Number
2.3 Period Number
2.4 Block
2.5 Element Family
2.6 CAS Number
74407357440553
7429905
54386242
2.10 Space Group Name
2.11 Space Group Number
4 Facts
4.1 Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- 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
Formed by Decay Process, Mining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
4.3 History
4.3.1 Who Discovered
Marguerite Perey
Lecoq de Boisbaudran
4.3.2 Discovery
4.4 Abundance
4.4.1 Abundance In Universe
4.5.2 Abundance In Sun
~-9999 %~0.000004 %
1E-08
0.1
5.1.3 Abundance In Meteorites
5.1.9 Abundance In Earth's Crust
5.2.1 Abundance In Oceans
5.3.3 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- 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.
6.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
6.1.2 Medical Uses
NA
Surgical Instruments Manufacturing
6.1.3 Other Uses
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
7.1.2 In Blood
0.00 Blood/mg dm-30.08 Blood/mg dm-3
0
1970
7.2.7 In Bone
9 Physical
9.1 Melting Point
10.4 Boiling Point
677.00 °C2,403.00 °C
147
5660
11.3 Appearance
11.3.1 Physical State
11.3.2 Color
11.3.4 Luster
11.4 Hardness
11.4.1 Mohs Hardness
11.6.1 Brinell Hardness
12.4.1 Vickers Hardness
12.8 Speed of Sound
12.10 Optical Properties
12.10.1 Refractive Index
12.11.2 Reflectivity
12.14 Allotropes
12.14.2 α Allotropes
Not Available
Not Available
12.14.3 β Allotropes
Not Available
Not Available
12.14.4 γ Allotropes
Not Available
Not Available
13 Chemical
13.1 Chemical Formula
13.2 Isotopes
13.2.1 Known Isotopes
13.6 Electronegativity
13.6.1 Pauling Electronegativity
15.2.2 Sanderson Electronegativity
16.1.1 Allred Rochow Electronegativity
16.2.2 Mulliken-Jaffe Electronegativity
16.4.2 Allen Electronegativity
16.5 Electropositivity
16.5.2 Pauling Electropositivity
16.7 Ionization Energies
16.7.1 1st Energy Level
380.00 kJ/mol578.80 kJ/mol
375.7
26130
16.7.3 2nd Energy Level
NA1,979.30 kJ/mol
710.2162
28750
16.8.4 3rd Energy Level
NA2,963.00 kJ/mol
1600
34230
16.9.1 4th Energy Level
NA6,180.00 kJ/mol
2780
37066
16.9.4 5th Energy Level
16.12.2 6th Energy Level
16.14.1 7th Energy level
16.15.2 8th Energy Level
16.17.3 9th Energy Level
2.1.5 10th Energy Level
3.2.2 11th Energy Level
3.3.1 12th Energy Level
3.6.1 13th Energy Level
3.10.2 14th Energy Level
3.16.1 15th Energy Level
4.1.4 16th Energy Level
4.2.5 17th Energy Level
4.3.2 18th Energy Level
4.6.3 19th Energy Level
4.6.5 20th Energy Level
4.7.1 21st Energy Level
4.7.4 22nd Energy Level
4.7.6 23rd Energy Level
4.8.2 24th Energy Level
4.9.1 25th Energy Level
4.9.4 26th Energy Level
4.9.7 27th Energy Level
4.10.2 28th Energy Level
4.10.5 29th Energy Level
4.11.2 30th Energy Level
4.13 Electrochemical Equivalent
8.32 g/amp-hr0.87 g/amp-hr
0.16812
8.3209
4.15 Electron Work Function
4.16 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes
5 Atomic
5.1 Atomic Number
6.2 Electron Configuration
[Rn] 7s1
[Ar] 3d10 4s2 4p1
6.3 Crystal Structure
Body Centered Cubic (BCC)
Orthorhombic (ORTH)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.6 Number of Neutrons
6.5.3 Number of Electrons
6.7 Radius of an Atom
6.7.1 Atomic Radius
6.7.4 Covalent Radius
260.00 pm122.00 pm
96
260
7.1.2 Van der Waals Radius
348.00 pm187.00 pm
139
348
8.2 Atomic Weight
223.00 amu69.72 amu
6.94
294
8.5 Atomic Volume
NA11.80 cm3/mol
1.39
71.07
9.4 Adjacent Atomic Numbers
9.4.1 Previous Element
9.4.2 Next Element
9.5 Valence Electron Potential
8.00 (-eV)69.70 (-eV)
8
392.42
9.10 Lattice Constant
NA451.97 pm
228.58
891.25
9.11 Lattice Angles
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
1.87 g/cm35.91 g/cm3
0.534
40.7
10.1.6 Density When Liquid (at m.p.)
11.3 Tensile Strength
11.5 Viscosity
11.7 Vapor Pressure
11.7.1 Vapor Pressure at 1000 K
11.8.2 Vapor Pressure at 2000 K
11.11 Elasticity properties
11.11.1 Shear Modulus
11.12.2 Bulk Modulus
11.15.2 Young's Modulus
12.3 Poisson Ratio
12.5 Other Mechanical Properties
13 Magnetic
13.1 Magnetic Characteristics
13.1.1 Specific Gravity
13.6.1 Magnetic Ordering
13.6.2 Permeability
13.6.3 Susceptibility
13.8 Electrical Properties
13.8.1 Electrical Property
Poor Conductor
Semiconductor
13.8.2 Resistivity
3.00 nΩ·m270.00 nΩ·m
0.18
961
13.10.1 Electrical Conductivity
0.03 106/cm Ω0.07 106/cm Ω
0.00666
0.63
14.1.2 Electron Affinity
15 Thermal
15.1 Specific Heat
15.2 Molar Heat Capacity
NA25.86 J/mol·K
16.443
62.7
15.4 Thermal Conductivity
15.00 W/m·K40.60 W/m·K
6.3
429
15.8 Critical Temperature
15.10 Thermal Expansion
15.13 Enthalpy
15.13.1 Enthalpy of Vaporization
NA256.10 kJ/mol
7.32
799.1
15.14.2 Enthalpy of Fusion
15.15.2 Enthalpy of Atomization
71.00 kJ/mol276.10 kJ/mol
61.5
837
16.2 Standard Molar Entropy
NA40.80 J/mol.K
9.5
198.1