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
74407357429916
7429905
54386242
1.7 Space Group Name
1.8 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.
- Dysprosium acts stable in air at room temperature.
- Dysprosium behaves very much like paramagnetic metal.
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
Lecoq de Boisbaudran
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
4.1.1 Abundance In Sun
~-9999 %~0.0000002 %
1E-08
0.1
4.1.2 Abundance In Meteorites
4.2.1 Abundance In Earth's Crust
4.4.2 Abundance In Oceans
4.4.4 Abundance In Humans
5 Uses
5.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- Dysprosium metal is highly reactive due to which it pure form is not as usual as its alloy.
-
Thi metals alloy is used in magnate as it is resistance to high temperature.
5.1.1 Industrial Uses
5.1.2 Medical Uses
5.1.3 Other Uses
NA
Alloys, Nuclear Research
5.2 Biological Properties
5.2.1 Toxicity
5.2.2 Present in Human Body
5.2.3 In Blood
0.00 Blood/mg dm-3NA
0
1970
5.2.5 In Bone
6 Physical
6.1 Melting Point
27.00 °C1,407.00 °C
27
3410
6.3 Boiling Point
677.00 °C2,562.00 °C
147
5660
6.4 Appearance
6.4.1 Physical State
6.4.2 Color
6.4.3 Luster
6.5 Hardness
6.5.1 Mohs Hardness
7.2.2 Brinell Hardness
7.3.2 Vickers Hardness
1.3 Speed of Sound
1.8 Optical Properties
1.8.1 Refractive Index
1.10.1 Reflectivity
2.5 Allotropes
2.5.1 α Allotropes
Not Available
Not Available
2.5.2 β Allotropes
Not Available
Not Available
2.5.3 γ Allotropes
Not Available
Not Available
3 Chemical
3.1 Chemical Formula
3.2 Isotopes
3.2.1 Known Isotopes
3.4 Electronegativity
3.4.1 Pauling Electronegativity
3.5.2 Sanderson Electronegativity
3.5.6 Allred Rochow Electronegativity
4.2.6 Mulliken-Jaffe Electronegativity
5.2.1 Allen Electronegativity
5.5 Electropositivity
5.5.1 Pauling Electropositivity
5.6 Ionization Energies
5.6.1 1st Energy Level
380.00 kJ/mol573.00 kJ/mol
375.7
26130
5.6.4 2nd Energy Level
NA1,130.00 kJ/mol
710.2162
28750
5.8.2 3rd Energy Level
NA2,200.00 kJ/mol
1600
34230
6.2.2 4th Energy Level
NA3,990.00 kJ/mol
2780
37066
6.3.3 5th Energy Level
6.3.6 6th Energy Level
6.3.10 7th Energy level
6.4.3 8th Energy Level
6.5.4 9th Energy Level
6.5.7 10th Energy Level
6.5.11 11th Energy Level
6.5.15 12th Energy Level
6.5.19 13th Energy Level
6.5.23 14th Energy Level
6.5.27 15th Energy Level
6.5.31 16th Energy Level
6.5.36 17th Energy Level
6.5.40 18th Energy Level
6.5.44 19th Energy Level
6.5.47 20th Energy Level
6.5.51 21st Energy Level
6.5.54 22nd Energy Level
6.5.58 23rd Energy Level
6.5.62 24th Energy Level
6.6.1 25th Energy Level
6.8.1 26th Energy Level
7.1.1 27th Energy Level
7.5.2 28th Energy Level
7.5.4 29th Energy Level
8.1.2 30th Energy Level
8.3 Electrochemical Equivalent
8.32 g/amp-hr2.02 g/amp-hr
0.16812
8.3209
8.7 Electron Work Function
8.9 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
9.5 Electron Configuration
9.6 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
9.6.1 Crystal Lattice
9.7 Atom
9.7.1 Number of Protons
10.1.2 Number of Neutrons
10.1.5 Number of Electrons
10.5 Radius of an Atom
10.5.1 Atomic Radius
10.7.2 Covalent Radius
260.00 pm192.00 pm
96
260
10.8.2 Van der Waals Radius
348.00 pm229.00 pm
139
348
10.9 Atomic Weight
223.00 amu162.50 amu
6.94
294
10.13 Atomic Volume
NA19.00 cm3/mol
1.39
71.07
11.3 Adjacent Atomic Numbers
11.3.1 Previous Element
11.3.2 Next Element
11.4 Valence Electron Potential
8.00 (-eV)47.40 (-eV)
8
392.42
11.8 Lattice Constant
NA359.30 pm
228.58
891.25
12.2 Lattice Angles
12.3 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
1.87 g/cm38.54 g/cm3
0.534
40.7
14.3.1 Density When Liquid (at m.p.)
14.7 Tensile Strength
14.9 Viscosity
14.11 Vapor Pressure
14.11.1 Vapor Pressure at 1000 K
14.13.2 Vapor Pressure at 2000 K
14.14 Elasticity properties
14.14.1 Shear Modulus
14.14.5 Bulk Modulus
14.16.1 Young's Modulus
15.2 Poisson Ratio
15.3 Other Mechanical Properties
16 Magnetic
16.1 Magnetic Characteristics
16.1.1 Specific Gravity
16.1.3 Magnetic Ordering
Paramagnetic
Paramagnetic
16.1.4 Permeability
16.2.3 Susceptibility
16.3 Electrical Properties
16.3.1 Electrical Property
16.3.2 Resistivity
3.00 nΩ·m926.00 nΩ·m
0.18
961
16.3.4 Electrical Conductivity
0.03 106/cm Ω0.01 106/cm Ω
0.00666
0.63
17.1.1 Electron Affinity
18 Thermal
18.1 Specific Heat
18.3 Molar Heat Capacity
NA27.70 J/mol·K
16.443
62.7
18.5 Thermal Conductivity
15.00 W/m·K10.70 W/m·K
6.3
429
18.7 Critical Temperature
18.9 Thermal Expansion
18.10 Enthalpy
18.10.1 Enthalpy of Vaporization
NA230.00 kJ/mol
7.32
799.1
18.10.3 Enthalpy of Fusion
18.10.4 Enthalpy of Atomization
71.00 kJ/mol301.00 kJ/mol
61.5
837
18.12 Standard Molar Entropy
NA75.60 J/mol.K
9.5
198.1