1 Periodic Table
1.1 Symbol
1.2 Group Number
1.4 Period Number
1.5 Block
1.6 Element Family
1.7 CAS Number
74405317440462
7429905
54386242
1.8 Space Group Name
1.9 Space Group Number
2 Facts
2.1 Interesting Facts
Not Available
Not Available
2.2 Sources
Found in Minerals, Mining, Ores of Minerals
Earth's crust, Found in Minerals, Mining, Ores of Minerals
2.3 History
2.3.1 Who Discovered
Eugène-Anatole Demarçay
Robert Bunsen and Gustav Kirchhoff
2.3.2 Discovery
2.4 Abundance
2.4.1 Abundance In Universe
5 * 10-8 %8 * 10-8 %
5E-09
0.11
2.4.3 Abundance In Sun
~0.00000005 %~0.0000008 %
1E-08
0.1
2.4.5 Abundance In Meteorites
2.4.8 Abundance In Earth's Crust
2.4.10 Abundance In Oceans
2.4.12 Abundance In Humans
3 Uses
3.1 Uses & Benefits
- Europium metals main uses is in the printing of euro banknotes. These notes glow red under UV light.
-
It is used in low energy light bulbs.
- The most common use of cesium metal is as a drilling fluid. It is also used in optical glass manufacturing.
-
In vacuum tubes and radiation monitor equipment this metal is used as a catalyst promoter.
3.1.1 Industrial Uses
Chemical Industry
Aerospace Industry, Automobile 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
3.2.4 In Blood
NA0.00 Blood/mg dm-3
0
1970
3.2.5 In Bone
4 Physical
4.1 Melting Point
822.00 °C28.50 °C
27
3410
4.2 Boiling Point
1,597.00 °C678.40 °C
147
5660
4.3 Appearance
4.3.1 Physical State
4.3.2 Color
Silvery White
Silvery Gold
4.3.3 Luster
4.4 Hardness
4.4.1 Mohs Hardness
4.4.3 Brinell Hardness
4.4.5 Vickers Hardness
4.5 Speed of Sound
4.6 Optical Properties
4.6.1 Refractive Index
4.6.3 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
5.3.4 Sanderson Electronegativity
5.3.6 Allred Rochow Electronegativity
5.3.8 Mulliken-Jaffe Electronegativity
5.4.1 Allen Electronegativity
5.5 Electropositivity
5.5.1 Pauling Electropositivity
5.7 Ionization Energies
5.7.1 1st Energy Level
547.10 kJ/mol375.70 kJ/mol
375.7
26130
6.1.1 2nd Energy Level
1,085.00 kJ/mol2,234.30 kJ/mol
710.2162
28750
6.1.2 3rd Energy Level
2,404.00 kJ/mol3,400.00 kJ/mol
1600
34230
6.4.2 4th Energy Level
4,120.00 kJ/molNA
2780
37066
6.4.4 5th Energy Level
6.4.6 6th Energy Level
6.5.2 7th Energy level
6.5.4 8th Energy Level
6.5.6 9th Energy Level
6.6.1 10th Energy Level
6.6.2 11th Energy Level
6.7.1 12th Energy Level
6.9.1 13th Energy Level
6.10.1 14th Energy Level
6.12.1 15th Energy Level
7.1.2 16th Energy Level
7.1.4 17th Energy Level
7.1.5 18th Energy Level
7.2.1 19th Energy Level
7.4.2 20th Energy Level
7.4.3 21st Energy Level
7.4.5 22nd Energy Level
7.5.2 23rd Energy Level
7.5.3 24th Energy Level
7.5.5 25th Energy Level
7.5.6 26th Energy Level
7.5.8 27th Energy Level
7.5.9 28th Energy Level
7.6.1 29th Energy Level
8.1.2 30th Energy Level
8.2 Electrochemical Equivalent
1.89 g/amp-hr4.96 g/amp-hr
0.16812
8.3209
8.3 Electron Work Function
8.5 Other Chemical Properties
Ionization, Radioactive Isotopes, Solubility
Chemical Stability, Corrosion, Ionization, Radioactive Isotopes, Solubility
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
9.3 Crystal Structure
Body Centered Cubic (BCC)
Body Centered Cubic (BCC)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.3 Number of Neutrons
10.1.1 Number of Electrons
10.3 Radius of an Atom
10.3.1 Atomic Radius
180.00 pm265.00 pm
112
265
10.4.1 Covalent Radius
198.00 pm244.00 pm
96
260
10.5.1 Van der Waals Radius
233.00 pm343.00 pm
139
348
10.7 Atomic Weight
151.96 amu132.91 amu
6.94
294
10.9 Atomic Volume
28.90 cm3/mol71.07 cm3/mol
1.39
71.07
10.10 Adjacent Atomic Numbers
10.10.1 Previous Element
10.10.2 Next Element
10.11 Valence Electron Potential
45.60 (-eV)8.62 (-eV)
8
392.42
10.12 Lattice Constant
458.10 pm614.10 pm
228.58
891.25
10.14 Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
10.15 Lattice C/A Ratio
11 Mechanical
11.1 Density
11.1.1 Density At Room Temperature
5.26 g/cm31.93 g/cm3
0.534
40.7
11.1.2 Density When Liquid (at m.p.)
5.13 g/cm31.84 g/cm3
0.512
20
11.2 Tensile Strength
11.3 Viscosity
11.4 Vapor Pressure
11.4.1 Vapor Pressure at 1000 K
19.40 (Pa)NA
2.47E-11
121
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
18.20 GPa1.70 GPa
1.7
528
11.6 Poisson Ratio
11.7 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
0.90 nΩ·m205.00 nΩ·m
0.18
961
12.2.3 Electrical Conductivity
0.01 106/cm Ω0.05 106/cm Ω
0.00666
0.63
12.2.4 Electron Affinity
50.00 kJ/mol45.50 kJ/mol
0
222.8
13 Thermal
13.1 Specific Heat
0.18 J/(kg K)0.24 J/(kg K)
0.11
3.6
13.2 Molar Heat Capacity
27.66 J/mol·K32.21 J/mol·K
16.443
62.7
13.3 Thermal Conductivity
13.90 W/m·K35.90 W/m·K
6.3
429
13.4 Critical Temperature
13.5 Thermal Expansion
35.00 µm/(m·K)97.00 µm/(m·K)
4.5
97
13.6 Enthalpy
13.6.1 Enthalpy of Vaporization
143.50 kJ/mol65.90 kJ/mol
7.32
799.1
13.6.2 Enthalpy of Fusion
9.21 kJ/mol2.10 kJ/mol
2.1
35.23
13.6.3 Enthalpy of Atomization
180.00 kJ/mol78.20 kJ/mol
61.5
837
13.7 Standard Molar Entropy
77.80 J/mol.K85.20 J/mol.K
9.5
198.1