1 Periodic Table
1.1 Symbol
1.3 Group Number
1.4 Period Number
1.6 Block
1.7 Element Family
1.8 CAS Number
74407357440202
7429905
54386242
1.9 Space Group Name
1.10 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.
- Scandium is known as one of the rare earth elements.
- Scandium metal found in rare minerals called Wolframite .
2.2 Sources
Formed by Decay Process, Mining
Found in Minerals, Mining, Ores of metals, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Marguerite Perey
Lars Fredrik Nilson
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
2.4.4 Abundance In Sun
~-9999 %~0.000004 %
1E-08
0.1
2.5.2 Abundance In Meteorites
2.5.4 Abundance In Earth's Crust
2.5.6 Abundance In Oceans
2.6.2 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Francium has no known uses as it has a half life of only 22 minutes.
- Uses of Scandium are limited to research purpose only. However, it has very low density and higher melting point.
-
Its compounds like scandium iodide is used in mercury vapor lamps to produce very bright white light.
3.1.1 Industrial Uses
NA
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-30.01 Blood/mg dm-3
0
1970
3.4.1 In Bone
0.00 p.p.m.0.00 p.p.m.
0
170000
4 Physical
4.1 Melting Point
27.00 °C1,539.00 °C
27
3410
4.3 Boiling Point
677.00 °C2,832.00 °C
147
5660
4.6 Appearance
4.6.1 Physical State
4.6.2 Color
4.6.3 Luster
4.7 Hardness
4.7.1 Mohs Hardness
5.1.3 Brinell Hardness
5.1.6 Vickers Hardness
5.3 Speed of Sound
5.5 Optical Properties
5.5.1 Refractive Index
5.6.2 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
6.4.7 Allred Rochow Electronegativity
6.4.10 Mulliken-Jaffe Electronegativity
6.5.1 Allen Electronegativity
6.6 Electropositivity
6.7.1 Pauling Electropositivity
7.3 Ionization Energies
7.3.1 1st Energy Level
380.00 kJ/mol633.10 kJ/mol
375.7
26130
7.3.4 2nd Energy Level
NA1,235.00 kJ/mol
710.2162
28750
7.4.2 3rd Energy Level
NA2,388.60 kJ/mol
1600
34230
8.1.1 4th Energy Level
NA7,090.60 kJ/mol
2780
37066
8.1.2 5th Energy Level
NA8,843.00 kJ/mol
4305.2
97510
8.4.2 6th Energy Level
NA10,679.00 kJ/mol
5715.8
105800
8.4.4 7th Energy level
NA13,310.00 kJ/mol
7226.8
114300
8.4.6 8th Energy Level
NA15,250.00 kJ/mol
8857.4
125300
9.1.1 9th Energy Level
NA17,370.00 kJ/mol
14110
134700
9.1.3 10th Energy Level
NA21,726.00 kJ/mol
17100
144300
9.2.1 11th Energy Level
NA24,102.00 kJ/mol
19900
169988
9.4.1 12th Energy Level
NA66,320.00 kJ/mol
22219
189368
9.5.2 13th Energy Level
NA73,010.00 kJ/mol
26930
76015
9.7.1 14th Energy Level
NA80,160.00 kJ/mol
29196
86450
9.7.2 15th Energy Level
NA89,490.00 kJ/mol
41987
97510
9.9.2 16th Energy Level
NA97,400.00 kJ/mol
47206
109480
9.11.1 17th Energy Level
NA105,600.00 kJ/mol
52737
122200
9.11.3 18th Energy Level
NA117,000.00 kJ/mol
58570
134810
9.12.2 19th Energy Level
NA124,270.00 kJ/mol
64702
148700
9.14.1 20th Energy Level
10.1.2 21st Energy Level
10.1.3 22nd Energy Level
10.1.5 23rd Energy Level
10.1.6 24th Energy Level
10.1.7 25th Energy Level
10.2.1 26th Energy Level
10.3.1 27th Energy Level
10.4.2 28th Energy Level
10.4.3 29th Energy Level
10.4.5 30th Energy Level
10.5 Electrochemical Equivalent
8.32 g/amp-hr0.56 g/amp-hr
0.16812
8.3209
10.7 Electron Work Function
10.8 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity, Solubility
Corrosion, Flammable, Ionization, Radioactive Isotopes, Solubility
11 Atomic
11.1 Atomic Number
11.2 Electron Configuration
11.3 Crystal Structure
Body Centered Cubic (BCC)
Hexagonal Close Packed (HCP)
11.3.1 Crystal Lattice
11.4 Atom
11.4.1 Number of Protons
11.5.1 Number of Neutrons
12.1.2 Number of Electrons
12.2 Radius of an Atom
12.2.1 Atomic Radius
12.2.3 Covalent Radius
260.00 pm170.00 pm
96
260
12.3.3 Van der Waals Radius
348.00 pm211.00 pm
139
348
12.4 Atomic Weight
223.00 amu44.96 amu
6.94
294
12.5 Atomic Volume
NA15.00 cm3/mol
1.39
71.07
12.6 Adjacent Atomic Numbers
12.6.1 Previous Element
12.6.2 Next Element
12.7 Valence Electron Potential
8.00 (-eV)58.00 (-eV)
8
392.42
12.8 Lattice Constant
NA330.90 pm
228.58
891.25
13.2 Lattice Angles
13.3 Lattice C/A Ratio
14 Mechanical
14.1 Density
14.1.1 Density At Room Temperature
1.87 g/cm32.99 g/cm3
0.534
40.7
14.1.2 Density When Liquid (at m.p.)
14.3 Tensile Strength
14.5 Viscosity
14.6 Vapor Pressure
14.6.1 Vapor Pressure at 1000 K
14.7.1 Vapor Pressure at 2000 K
NA91.30 (Pa)
2.62E-10
774
14.9 Elasticity properties
14.9.1 Shear Modulus
1.1.3 Bulk Modulus
1.2.1 Young's Modulus
1.5 Poisson Ratio
1.8 Other Mechanical Properties
2 Magnetic
2.1 Magnetic Characteristics
2.1.1 Specific Gravity
2.1.3 Magnetic Ordering
Paramagnetic
Paramagnetic
2.1.4 Permeability
2.1.6 Susceptibility
2.3 Electrical Properties
2.3.1 Electrical Property
2.3.2 Resistivity
3.00 nΩ·m562.00 nΩ·m
0.18
961
2.4.1 Electrical Conductivity
0.03 106/cm Ω0.02 106/cm Ω
0.00666
0.63
2.4.2 Electron Affinity
3 Thermal
3.1 Specific Heat
3.2 Molar Heat Capacity
NA25.52 J/mol·K
16.443
62.7
3.3 Thermal Conductivity
15.00 W/m·K15.80 W/m·K
6.3
429
3.4 Critical Temperature
3.5 Thermal Expansion
3.6 Enthalpy
3.6.1 Enthalpy of Vaporization
NA314.20 kJ/mol
7.32
799.1
3.6.2 Enthalpy of Fusion
3.6.3 Enthalpy of Atomization
71.00 kJ/mol343.00 kJ/mol
61.5
837
3.7 Standard Molar Entropy
NA34.60 J/mol.K
9.5
198.1