1 Periodic Table
1.1 Symbol
1.2 Group Number
2.3 Period Number
2.5 Block
2.6 Element Family
2.7 CAS Number
74407357440644
7429905
54386242
2.10 Space Group Name
2.11 Space Group Number
3 Facts
3.1 Interesting Facts
- 223 Francium has the longest half life at 21.8.
- Francium metal is produced by alpha decay in 227Actinium 227.
- Ytterbium metal oxidizes rapidly if exposed to air.
- Ytterbium metal can dissolve quickly in Mineral acid.
3.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of Minerals
3.3 History
3.3.1 Who Discovered
Marguerite Perey
Jean Charles Galissard de Marignac
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
4.1.2 Abundance In Sun
~-9999 %~0.0000001 %
1E-08
0.1
4.2.1 Abundance In Meteorites
4.4.2 Abundance In Earth's Crust
5.2.2 Abundance In Oceans
5.2.4 Abundance In Humans
7 Uses
7.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- Ytterbium metal is used in memory devices and tuneable laser.
-
It is also used as industrial catalyst as the other catalysts are too toxic and polluting.
7.1.2 Industrial Uses
NA
Automobile Industry, Chemical Industry
7.1.3 Medical Uses
7.1.4 Other Uses
7.2 Biological Properties
7.2.1 Toxicity
7.2.2 Present in Human Body
7.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
7.3.2 In Bone
8 Physical
8.1 Melting Point
27.00 °C824.00 °C
27
3410
8.4 Boiling Point
677.00 °C1,196.00 °C
147
5660
8.6 Appearance
8.6.1 Physical State
8.6.2 Color
8.6.3 Luster
8.7 Hardness
8.7.1 Mohs Hardness
8.8.3 Brinell Hardness
8.9.3 Vickers Hardness
8.11 Speed of Sound
8.12 Optical Properties
8.12.1 Refractive Index
8.12.3 Reflectivity
8.13 Allotropes
8.13.1 α Allotropes
Not Available
Not Available
8.13.2 β Allotropes
Not Available
Not Available
8.13.3 γ Allotropes
Not Available
Not Available
9 Chemical
9.1 Chemical Formula
9.2 Isotopes
9.2.1 Known Isotopes
9.3 Electronegativity
9.3.1 Pauling Electronegativity
9.3.3 Sanderson Electronegativity
9.3.5 Allred Rochow Electronegativity
9.3.7 Mulliken-Jaffe Electronegativity
9.3.9 Allen Electronegativity
9.4 Electropositivity
9.4.1 Pauling Electropositivity
9.5 Ionization Energies
9.5.1 1st Energy Level
380.00 kJ/mol603.40 kJ/mol
375.7
26130
9.5.3 2nd Energy Level
NA1,174.80 kJ/mol
710.2162
28750
9.5.5 3rd Energy Level
NA2,417.00 kJ/mol
1600
34230
9.5.7 4th Energy Level
NA4,203.00 kJ/mol
2780
37066
9.5.9 5th Energy Level
9.5.12 6th Energy Level
9.5.14 7th Energy level
9.5.17 8th Energy Level
9.5.20 9th Energy Level
9.5.21 10th Energy Level
9.5.24 11th Energy Level
9.5.26 12th Energy Level
9.5.28 13th Energy Level
9.5.31 14th Energy Level
9.6.1 15th Energy Level
9.6.2 16th Energy Level
9.7.1 17th Energy Level
10.1.1 18th Energy Level
10.1.2 19th Energy Level
10.4.2 20th Energy Level
10.4.4 21st Energy Level
10.4.5 22nd Energy Level
10.4.7 23rd Energy Level
10.4.8 24th Energy Level
10.4.9 25th Energy Level
10.5.2 26th Energy Level
10.5.3 27th Energy Level
10.5.5 28th Energy Level
10.5.6 29th Energy Level
10.5.7 30th Energy Level
10.6 Electrochemical Equivalent
8.32 g/amp-hr2.15 g/amp-hr
0.16812
8.3209
10.8 Electron Work Function
10.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Ionization, Radioactive Isotopes, Solubility
11 Atomic
11.1 Atomic Number
11.3 Electron Configuration
11.4 Crystal Structure
Body Centered Cubic (BCC)
Face Centered Cubic (FCC)
11.4.1 Crystal Lattice
11.5 Atom
11.5.1 Number of Protons
11.5.2 Number of Neutrons
11.7.1 Number of Electrons
11.9 Radius of an Atom
11.9.1 Atomic Radius
11.9.2 Covalent Radius
260.00 pm187.00 pm
96
260
11.9.3 Van der Waals Radius
348.00 pm242.00 pm
139
348
11.12 Atomic Weight
223.00 amu173.05 amu
6.94
294
12.2 Atomic Volume
NA24.79 cm3/mol
1.39
71.07
12.3 Adjacent Atomic Numbers
12.3.1 Previous Element
12.3.2 Next Element
12.4 Valence Electron Potential
8.00 (-eV)50.30 (-eV)
8
392.42
12.5 Lattice Constant
NA548.47 pm
228.58
891.25
12.6 Lattice Angles
12.7 Lattice C/A Ratio
13 Mechanical
13.1 Density
13.1.1 Density At Room Temperature
1.87 g/cm36.90 g/cm3
0.534
40.7
13.2.1 Density When Liquid (at m.p.)
13.4 Tensile Strength
13.5 Viscosity
13.6 Vapor Pressure
13.6.1 Vapor Pressure at 1000 K
13.6.3 Vapor Pressure at 2000 K
13.8 Elasticity properties
13.8.1 Shear Modulus
13.8.2 Bulk Modulus
13.8.4 Young's Modulus
13.9 Poisson Ratio
13.10 Other Mechanical Properties
14 Magnetic
14.1 Magnetic Characteristics
14.1.1 Specific Gravity
14.2.1 Magnetic Ordering
Paramagnetic
Paramagnetic
14.2.2 Permeability
15.1.2 Susceptibility
15.2 Electrical Properties
15.2.1 Electrical Property
15.2.2 Resistivity
3.00 nΩ·m0.25 nΩ·m
0.18
961
15.2.4 Electrical Conductivity
0.03 106/cm Ω0.04 106/cm Ω
0.00666
0.63
15.3.3 Electron Affinity
16 Thermal
16.1 Specific Heat
17.2 Molar Heat Capacity
NA26.74 J/mol·K
16.443
62.7
17.4 Thermal Conductivity
15.00 W/m·K38.50 W/m·K
6.3
429
17.6 Critical Temperature
17.8 Thermal Expansion
17.10 Enthalpy
17.10.1 Enthalpy of Vaporization
NA128.90 kJ/mol
7.32
799.1
17.11.2 Enthalpy of Fusion
17.11.4 Enthalpy of Atomization
71.00 kJ/mol180.00 kJ/mol
61.5
837
17.12 Standard Molar Entropy
NA59.90 J/mol.K
9.5
198.1