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
74407357440666
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.
- Zinc metal found (obtain) in many forms like granules, foil, dust and in a powder form.
- The leading producers of Zinc metal are Australia, Canada, China, U.S.A and Peru.
2.2 Sources
Formed by Decay Process, Mining
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Marguerite Perey
Indian metallurgists
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.2 Abundance In Sun
~-9999 %~0.0002 %
1E-08
0.1
2.4.3 Abundance In Meteorites
2.4.4 Abundance In Earth's Crust
2.4.5 Abundance In Oceans
2.4.6 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- It is mainly used for Galvanizing other metals.
- It is also used for manufacturing die-casting and it is very essential for automobile industry.
3.1.1 Industrial Uses
NA
Electrical Industry, Electronic Industry
3.1.2 Medical Uses
NA
Pharmaceutical Industry
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-37.00 Blood/mg dm-3
0
1970
3.2.4 In Bone
0.00 p.p.m.170.00 p.p.m.
0
170000
4 Physical
4.1 Melting Point
27.00 °C419.58 °C
27
3410
4.2 Boiling Point
677.00 °C907.00 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.2 Brinell Hardness
4.4.3 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.2 Reflectivity
4.7 Allotropes
4.7.1 α Allotropes
Not Available
Not Available
4.7.2 β Allotropes
Not Available
Not Available
4.7.3 γ Allotropes
Not Available
Not Available
5 Chemical
5.1 Chemical Formula
5.2 Isotopes
5.2.1 Known Isotopes
5.3 Electronegativity
5.3.1 Pauling Electronegativity
5.3.2 Sanderson Electronegativity
5.3.3 Allred Rochow Electronegativity
5.3.4 Mulliken-Jaffe Electronegativity
5.3.5 Allen Electronegativity
5.4 Electropositivity
5.4.1 Pauling Electropositivity
5.5 Ionization Energies
5.5.1 1st Energy Level
380.00 kJ/mol906.40 kJ/mol
375.7
26130
5.5.2 2nd Energy Level
NA1,733.30 kJ/mol
710.2162
28750
5.5.3 3rd Energy Level
NA3,833.00 kJ/mol
1600
34230
5.5.4 4th Energy Level
NA5,731.00 kJ/mol
2780
37066
5.5.5 5th Energy Level
NA7,970.00 kJ/mol
4305.2
97510
5.5.6 6th Energy Level
NA10,400.00 kJ/mol
5715.8
105800
5.5.7 7th Energy level
NA12,900.00 kJ/mol
7226.8
114300
5.5.8 8th Energy Level
NA16,800.00 kJ/mol
8857.4
125300
5.5.9 9th Energy Level
NA19,600.00 kJ/mol
14110
134700
5.5.10 10th Energy Level
NA23,000.00 kJ/mol
17100
144300
5.5.11 11th Energy Level
NA26,400.00 kJ/mol
19900
169988
5.5.12 12th Energy Level
NA29,990.00 kJ/mol
22219
189368
5.5.13 13th Energy Level
NA40,490.00 kJ/mol
26930
76015
5.5.14 14th Energy Level
NA43,800.00 kJ/mol
29196
86450
5.5.15 15th Energy Level
NA47,300.00 kJ/mol
41987
97510
5.5.16 16th Energy Level
NA52,300.00 kJ/mol
47206
109480
5.5.17 17th Energy Level
NA55,900.00 kJ/mol
52737
122200
5.5.18 18th Energy Level
NA59,700.00 kJ/mol
58570
134810
5.5.19 19th Energy Level
NA67,300.00 kJ/mol
64702
148700
5.5.20 20th Energy Level
NA171,200.00 kJ/mol
80400
171200
5.5.21 21st Energy Level
NA179,100.00 kJ/mol
87000
179100
5.5.22 22nd Energy Level
5.5.23 23rd Energy Level
5.5.24 24th Energy Level
5.5.25 25th Energy Level
5.5.26 26th Energy Level
5.5.27 27th Energy Level
5.5.28 28th Energy Level
5.5.29 29th Energy Level
5.5.30 30th Energy Level
5.6 Electrochemical Equivalent
8.32 g/amp-hr1.22 g/amp-hr
0.16812
8.3209
5.7 Electron Work Function
5.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Anti Corrosion, Chemical Stability, Ionization, Radioactive Isotopes
6 Atomic
6.1 Atomic Number
6.2 Electron Configuration
6.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
6.3.1 Crystal Lattice
6.4 Atom
6.4.1 Number of Protons
6.4.2 Number of Neutrons
6.4.3 Number of Electrons
6.5 Radius of an Atom
6.5.1 Atomic Radius
6.5.2 Covalent Radius
260.00 pm122.00 pm
96
260
6.5.3 Van der Waals Radius
348.00 pm139.00 pm
139
348
6.6 Atomic Weight
223.00 amu65.38 amu
6.94
294
6.7 Atomic Volume
NA9.20 cm3/mol
1.39
71.07
6.8 Adjacent Atomic Numbers
6.8.1 Previous Element
6.8.2 Next Element
6.9 Valence Electron Potential
8.00 (-eV)38.90 (-eV)
8
392.42
6.10 Lattice Constant
NA266.49 pm
228.58
891.25
6.11 Lattice Angles
6.12 Lattice C/A Ratio
7 Mechanical
7.1 Density
7.1.1 Density At Room Temperature
1.87 g/cm37.14 g/cm3
0.534
40.7
7.1.2 Density When Liquid (at m.p.)
7.2 Tensile Strength
7.3 Viscosity
7.4 Vapor Pressure
7.4.1 Vapor Pressure at 1000 K
7.4.2 Vapor Pressure at 2000 K
7.5 Elasticity properties
7.5.1 Shear Modulus
7.5.2 Bulk Modulus
7.5.3 Young's Modulus
7.6 Poisson Ratio
7.7 Other Mechanical Properties
8 Magnetic
8.1 Magnetic Characteristics
8.1.1 Specific Gravity
8.1.2 Magnetic Ordering
8.1.3 Permeability
8.1.4 Susceptibility
8.2 Electrical Properties
8.2.1 Electrical Property
8.2.2 Resistivity
3.00 nΩ·m59.00 nΩ·m
0.18
961
8.2.3 Electrical Conductivity
0.03 106/cm Ω0.17 106/cm Ω
0.00666
0.63
8.2.4 Electron Affinity
9 Thermal
9.1 Specific Heat
9.2 Molar Heat Capacity
NA25.47 J/mol·K
16.443
62.7
9.3 Thermal Conductivity
15.00 W/m·K116.00 W/m·K
6.3
429
9.4 Critical Temperature
9.5 Thermal Expansion
9.6 Enthalpy
9.6.1 Enthalpy of Vaporization
9.6.2 Enthalpy of Fusion
9.6.3 Enthalpy of Atomization
71.00 kJ/mol129.70 kJ/mol
61.5
837
9.7 Standard Molar Entropy
NA41.60 J/mol.K
9.5
198.1