1 Periodic Table
1.1 Symbol
1.2 Group Number
1.3 Period Number
1.4 Block
1.5 Element Family
1.6 CAS Number
74407357440155
7429905
54386242
1.7 Space Group Name
1.8 Space Group Number
2 Facts
2.1 Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Chemical properties of Rhenium are similar to Manganese.
- Rhenium metal is created while refining Molybdenum.
2.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Marguerite Perey
Masataka Ogawa
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.3 Abundance In Sun
~-9999 %~0.00000001 %
1E-08
0.1
2.4.5 Abundance In Meteorites
2.4.8 Abundance In Earth's Crust
2.4.11 Abundance In Oceans
2.4.14 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- 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.
3.1.1 Industrial Uses
NA
Aerospace Industry, Automobile Industry, Chemical Industry, Electrical Industry, Electronic Industry
3.1.2 Medical Uses
3.1.3 Other Uses
3.2 Biological Properties
3.2.1 Toxicity
3.2.2 Present in Human Body
3.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
3.2.6 In Bone
4 Physical
4.1 Melting Point
27.00 °C3,180.00 °C
27
3410
4.2 Boiling Point
677.00 °C5,627.00 °C
147
5660
4.4 Appearance
4.4.1 Physical State
4.4.2 Color
4.5.1 Luster
4.6 Hardness
4.6.1 Mohs Hardness
5.1.1 Brinell Hardness
5.4.2 Vickers Hardness
5.5 Speed of Sound
5.6 Optical Properties
5.6.1 Refractive Index
5.6.3 Reflectivity
5.7 Allotropes
5.7.1 α Allotropes
Not Available
Not Available
5.7.2 β Allotropes
Not Available
Not Available
5.7.3 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
6.4.3 Sanderson Electronegativity
6.5.1 Allred Rochow Electronegativity
6.5.2 Mulliken-Jaffe Electronegativity
6.6.1 Allen Electronegativity
6.7 Electropositivity
6.7.1 Pauling Electropositivity
6.10 Ionization Energies
6.10.1 1st Energy Level
380.00 kJ/mol760.00 kJ/mol
375.7
26130
6.10.2 2nd Energy Level
NA1,260.00 kJ/mol
710.2162
28750
6.11.1 3rd Energy Level
NA2,510.00 kJ/mol
1600
34230
6.13.1 4th Energy Level
NA3,640.00 kJ/mol
2780
37066
7.1.2 5th Energy Level
7.1.3 6th Energy Level
7.1.5 7th Energy level
7.3.1 8th Energy Level
7.4.2 9th Energy Level
7.4.3 10th Energy Level
7.5.2 11th Energy Level
7.5.4 12th Energy Level
7.5.6 13th Energy Level
7.5.7 14th Energy Level
8.1.2 15th Energy Level
8.1.6 16th Energy Level
8.2.3 17th Energy Level
8.2.5 18th Energy Level
9.1.1 19th Energy Level
9.1.2 20th Energy Level
9.2.1 21st Energy Level
9.3.1 22nd Energy Level
9.3.2 23rd Energy Level
9.4.1 24th Energy Level
9.4.2 25th Energy Level
9.5.1 26th Energy Level
9.5.2 27th Energy Level
9.6.2 28th Energy Level
9.6.3 29th Energy Level
9.6.5 30th Energy Level
9.7 Electrochemical Equivalent
8.32 g/amp-hr0.99 g/amp-hr
0.16812
8.3209
9.8 Electron Work Function
9.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Ionization, Radioactive Isotopes, Solubility
10 Atomic
10.1 Atomic Number
10.2 Electron Configuration
[Rn] 7s1
[Xe] 4f14 5d5 6s2
10.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
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
10.5.2 Covalent Radius
260.00 pm151.00 pm
96
260
10.5.3 Van der Waals Radius
348.00 pm200.00 pm
139
348
10.6 Atomic Weight
223.00 amu186.21 amu
6.94
294
10.7 Atomic Volume
NA8.85 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
8.00 (-eV)180.00 (-eV)
8
392.42
10.10 Lattice Constant
NA276.10 pm
228.58
891.25
10.11 Lattice Angles
10.12 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
1.87 g/cm321.02 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
11.8 Other Mechanical Properties
12 Magnetic
12.1 Magnetic Characteristics
12.1.1 Specific Gravity
12.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
12.1.3 Permeability
12.1.4 Susceptibility
12.2 Electrical Properties
12.2.1 Electrical Property
12.2.2 Resistivity
3.00 nΩ·m193.00 nΩ·m
0.18
961
12.2.3 Electrical Conductivity
0.03 106/cm Ω0.05 106/cm Ω
0.00666
0.63
12.2.4 Electron Affinity
13 Thermal
13.1 Specific Heat
13.2 Molar Heat Capacity
NA25.48 J/mol·K
16.443
62.7
13.3 Thermal Conductivity
15.00 W/m·K48.00 W/m·K
6.3
429
13.4 Critical Temperature
13.5 Thermal Expansion
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
NA707.10 kJ/mol
7.32
799.1
13.6.2 Enthalpy of Fusion
13.6.3 Enthalpy of Atomization
71.00 kJ/mol791.00 kJ/mol
61.5
837
13.7 Standard Molar Entropy
NA36.90 J/mol.K
9.5
198.1