1 Periodic Table
1.1 Symbol
1.2 Group Number
1.2 Period Number
2.2 Block
2.3 Element Family
2.4 CAS Number
74407247440177
7429905
54386242
2.6 Space Group Name
2.7 Space Group Number
3 Facts
3.1 Interesting Facts
- Fermium metal is highly radioactive in nature.
- Fermium is synthetically produced metal.
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
3.2 Sources
Bombarding Pu-239 with Neutrons
Obtained from Lithium Production.
3.3 History
3.3.1 Who Discovered
Lawrence Berkeley National Laboratory
Robert Bunsen and Gustav Kirchhoff
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.7.1 Abundance In Sun
~-9999 %~0.000003 %
1E-08
0.1
3.7.2 Abundance In Meteorites
4.4.2 Abundance In Earth's Crust
4.5.4 Abundance In Oceans
4.5.5 Abundance In Humans
6 Uses
6.1 Uses & Benefits
- Currently known uses of Fermium metal are limited to research purpose only.
- Rubidium's main application is in the glass manufacturing.
- Rubidium can very easily get ionized and hence it is used for ion engines, but it is still less efficient than that of Caesium.
6.1.1 Industrial Uses
6.1.2 Medical Uses
6.1.3 Other Uses
NA
Alloys, Research Purposes
6.2 Biological Properties
6.2.1 Toxicity
6.2.2 Present in Human Body
6.2.3 In Blood
0.00 Blood/mg dm-32.49 Blood/mg dm-3
0
1970
6.3.3 In Bone
0.00 p.p.m.5.00 p.p.m.
0
170000
7 Physical
7.1 Melting Point
1,527.00 °C38.89 °C
27
3410
8.2 Boiling Point
8.5 Appearance
8.5.1 Physical State
8.5.2 Color
8.5.3 Luster
8.6 Hardness
8.6.1 Mohs Hardness
9.4.1 Brinell Hardness
9.6.2 Vickers Hardness
10.3 Speed of Sound
10.6 Optical Properties
10.6.1 Refractive Index
10.6.3 Reflectivity
10.9 Allotropes
10.9.2 α Allotropes
Not Available
Not Available
10.9.3 β Allotropes
Not Available
Not Available
10.9.4 γ Allotropes
Not Available
Not Available
11 Chemical
11.1 Chemical Formula
11.2 Isotopes
11.2.1 Known Isotopes
11.4 Electronegativity
11.4.1 Pauling Electronegativity
11.4.4 Sanderson Electronegativity
11.5.1 Allred Rochow Electronegativity
11.6.1 Mulliken-Jaffe Electronegativity
11.6.2 Allen Electronegativity
11.8 Electropositivity
11.8.1 Pauling Electropositivity
11.9 Ionization Energies
11.9.1 1st Energy Level
627.00 kJ/mol403.00 kJ/mol
375.7
26130
11.9.2 2nd Energy Level
1,225.00 kJ/mol2,633.00 kJ/mol
710.2162
28750
12.2.2 3rd Energy Level
2,363.00 kJ/mol3,860.00 kJ/mol
1600
34230
12.2.3 4th Energy Level
3,792.00 kJ/mol5,080.00 kJ/mol
2780
37066
12.2.4 5th Energy Level
NA6,850.00 kJ/mol
4305.2
97510
12.2.5 6th Energy Level
NA8,140.00 kJ/mol
5715.8
105800
12.2.6 7th Energy level
NA9,570.00 kJ/mol
7226.8
114300
12.3.2 8th Energy Level
NA13,120.00 kJ/mol
8857.4
125300
1.1.2 9th Energy Level
NA14,500.00 kJ/mol
14110
134700
1.1.3 10th Energy Level
NA26,740.00 kJ/mol
17100
144300
1.2.2 11th Energy Level
1.5.1 12th Energy Level
1.5.3 13th Energy Level
1.8.2 14th Energy Level
1.11.1 15th Energy Level
1.12.2 16th Energy Level
1.4.2 17th Energy Level
1.5.1 18th Energy Level
1.2.2 19th Energy Level
1.6.1 20th Energy Level
1.12.1 21st Energy Level
1.13.1 22nd Energy Level
1.14.3 23rd Energy Level
2.4.3 24th Energy Level
2.4.5 25th Energy Level
2.4.8 26th Energy Level
2.4.11 27th Energy Level
2.4.14 28th Energy Level
2.4.16 29th Energy Level
2.4.19 30th Energy Level
2.5 Electrochemical Equivalent
3.20 g/amp-hr3.19 g/amp-hr
0.16812
8.3209
2.6 Electron Work Function
2.7 Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
3 Atomic
3.1 Atomic Number
4.3 Electron Configuration
4.4 Crystal Structure
Not Known
Body Centered Cubic (BCC)
4.4.1 Crystal Lattice
4.5 Atom
4.5.1 Number of Protons
4.5.2 Number of Neutrons
4.5.3 Number of Electrons
4.6 Radius of an Atom
4.6.1 Atomic Radius
4.6.3 Covalent Radius
4.6.4 Van der Waals Radius
245.00 pm303.00 pm
139
348
4.7 Atomic Weight
257.00 amu85.47 amu
6.94
294
4.8 Atomic Volume
NA55.90 cm3/mol
1.39
71.07
4.9 Adjacent Atomic Numbers
4.9.1 Previous Element
4.9.2 Next Element
4.10 Valence Electron Potential
4.11 Lattice Constant
NA558.50 pm
228.58
891.25
4.12 Lattice Angles
4.13 Lattice C/A Ratio
5 Mechanical
5.1 Density
5.1.1 Density At Room Temperature
6.1.1 Density When Liquid (at m.p.)
6.2 Tensile Strength
6.4 Viscosity
6.5 Vapor Pressure
6.5.1 Vapor Pressure at 1000 K
6.5.2 Vapor Pressure at 2000 K
6.8 Elasticity properties
6.8.1 Shear Modulus
6.8.4 Bulk Modulus
6.8.7 Young's Modulus
6.9 Poisson Ratio
6.11 Other Mechanical Properties
7 Magnetic
7.1 Magnetic Characteristics
7.1.1 Specific Gravity
7.1.2 Magnetic Ordering
7.1.3 Permeability
7.2.2 Susceptibility
7.3 Electrical Properties
7.3.1 Electrical Property
7.3.2 Resistivity
8.2.2 Electrical Conductivity
NA0.08 106/cm Ω
0.00666
0.63
8.3.1 Electron Affinity
9 Thermal
9.1 Specific Heat
9.3 Molar Heat Capacity
NA31.06 J/mol·K
16.443
62.7
10.2 Thermal Conductivity
10.3 Critical Temperature
10.7 Thermal Expansion
10.8 Enthalpy
10.8.1 Enthalpy of Vaporization
NA69.20 kJ/mol
7.32
799.1
10.8.4 Enthalpy of Fusion
10.9.2 Enthalpy of Atomization
10.12 Standard Molar Entropy
NA76.80 J/mol.K
9.5
198.1