1 Periodic Table
1.1 Symbol
1.2 Group Number
1.5 Period Number
1.6 Block
1.7 Element Family
1.9 CAS Number
74401777440406
7429905
54386242
1.10 Space Group Name
1.11 Space Group Number
3 Facts
3.1 Interesting Facts
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
- X-ray Diffraction- different compounds of Berkelium metals are identified using it.
Commercial uses of Berkelium metal are not yet discovered.
3.2 Sources
Obtained from Lithium Production.
Bombarding Americium with Alpha Particles.
3.3 History
3.3.1 Who Discovered
Robert Bunsen and Gustav Kirchhoff
Lawrence Berkeley National Laboratory
3.3.2 Discovery
3.4 Abundance
3.4.1 Abundance In Universe
3.4.3 Abundance In Sun
~0.000003 %~-9999 %
1E-08
0.1
3.4.4 Abundance In Meteorites
3.5.1 Abundance In Earth's Crust
3.7.2 Abundance In Oceans
3.7.4 Abundance In Humans
4 Uses
4.1 Uses & Benefits
- 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.
- This metal is very rare and has no commercial uses.
4.1.1 Industrial Uses
4.1.2 Medical Uses
4.1.3 Other Uses
Alloys, Research Purposes
NA
4.2 Biological Properties
4.2.1 Toxicity
4.2.2 Present in Human Body
4.3.2 In Blood
2.49 Blood/mg dm-30.00 Blood/mg dm-3
0
1970
4.3.3 In Bone
5.00 p.p.m.0.00 p.p.m.
0
170000
5 Physical
5.1 Melting Point
38.89 °C986.00 °C
27
3410
5.2 Boiling Point
688.00 °C2,627.00 °C
147
5660
5.4 Appearance
5.4.1 Physical State
5.4.2 Color
5.4.3 Luster
5.5 Hardness
5.5.1 Mohs Hardness
6.1.2 Brinell Hardness
6.1.5 Vickers Hardness
6.2 Speed of Sound
6.4 Optical Properties
6.4.1 Refractive Index
6.4.3 Reflectivity
6.5 Allotropes
6.5.1 α Allotropes
Not Available
Not Available
6.5.2 β Allotropes
Not Available
Not Available
6.5.3 γ Allotropes
Not Available
Not Available
7 Chemical
7.1 Chemical Formula
7.2 Isotopes
7.2.1 Known Isotopes
7.3 Electronegativity
7.3.1 Pauling Electronegativity
8.1.1 Sanderson Electronegativity
8.2.1 Allred Rochow Electronegativity
8.2.2 Mulliken-Jaffe Electronegativity
8.3.1 Allen Electronegativity
8.5 Electropositivity
8.5.1 Pauling Electropositivity
8.6 Ionization Energies
8.6.1 1st Energy Level
403.00 kJ/mol601.00 kJ/mol
375.7
26130
8.7.1 2nd Energy Level
2,633.00 kJ/mol1,186.00 kJ/mol
710.2162
28750
8.7.2 3rd Energy Level
3,860.00 kJ/mol2,152.00 kJ/mol
1600
34230
8.8.2 4th Energy Level
5,080.00 kJ/mol3,434.00 kJ/mol
2780
37066
8.8.4 5th Energy Level
6,850.00 kJ/molNA
4305.2
97510
8.8.5 6th Energy Level
8,140.00 kJ/molNA
5715.8
105800
8.8.7 7th Energy level
9,570.00 kJ/molNA
7226.8
114300
8.8.8 8th Energy Level
13,120.00 kJ/molNA
8857.4
125300
8.9.1 9th Energy Level
14,500.00 kJ/molNA
14110
134700
8.9.2 10th Energy Level
26,740.00 kJ/molNA
17100
144300
8.9.3 11th Energy Level
8.9.4 12th Energy Level
8.9.5 13th Energy Level
8.9.6 14th Energy Level
8.9.7 15th Energy Level
8.9.8 16th Energy Level
8.9.9 17th Energy Level
8.9.10 18th Energy Level
8.9.11 19th Energy Level
8.9.12 20th Energy Level
8.9.13 21st Energy Level
8.9.14 22nd Energy Level
8.9.15 23rd Energy Level
8.9.16 24th Energy Level
8.9.17 25th Energy Level
8.9.18 26th Energy Level
8.9.19 27th Energy Level
8.9.20 28th Energy Level
8.9.21 29th Energy Level
8.9.22 30th Energy Level
8.10 Electrochemical Equivalent
3.19 g/amp-hr3.07 g/amp-hr
0.16812
8.3209
8.11 Electron Work Function
8.12 Other Chemical Properties
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Ionization, Radioactive Isotopes, Radioactivity
9 Atomic
9.1 Atomic Number
9.2 Electron Configuration
9.3 Crystal Structure
Body Centered Cubic (BCC)
Double Hexagonal Close Packed (DHCP)
9.3.1 Crystal Lattice
9.4 Atom
9.4.1 Number of Protons
9.4.2 Number of Neutrons
9.4.3 Number of Electrons
9.5 Radius of an Atom
9.5.1 Atomic Radius
248.00 pm170.00 pm
112
265
9.5.2 Covalent Radius
9.5.3 Van der Waals Radius
9.6 Atomic Weight
85.47 amu247.00 amu
6.94
294
9.7 Atomic Volume
55.90 cm3/molNA
1.39
71.07
9.8 Adjacent Atomic Numbers
9.8.1 Previous Element
9.8.2 Next Element
9.9 Valence Electron Potential
9.47 (-eV)45.50 (-eV)
8
392.42
9.10 Lattice Constant
558.50 pm341.60 pm
228.58
891.25
9.11 Lattice Angles
π/2, π/2, π/2
π/2, π/2, 2 π/3
9.12 Lattice C/A Ratio
10 Mechanical
10.1 Density
10.1.1 Density At Room Temperature
1.53 g/cm314.78 g/cm3
0.534
40.7
10.1.2 Density When Liquid (at m.p.)
1.46 g/cm313.25 g/cm3
0.512
20
10.2 Tensile Strength
10.3 Viscosity
10.4 Vapor Pressure
10.4.1 Vapor Pressure at 1000 K
10.4.2 Vapor Pressure at 2000 K
10.5 Elasticity properties
10.5.1 Shear Modulus
10.5.2 Bulk Modulus
10.5.3 Young's Modulus
10.6 Poisson Ratio
10.7 Other Mechanical Properties
11 Magnetic
11.1 Magnetic Characteristics
11.1.1 Specific Gravity
11.1.2 Magnetic Ordering
Paramagnetic
Paramagnetic
11.1.3 Permeability
11.1.4 Susceptibility
11.2 Electrical Properties
11.2.1 Electrical Property
11.2.2 Resistivity
11.2.3 Electrical Conductivity
0.08 106/cm ΩNA
0.00666
0.63
11.2.4 Electron Affinity
12 Thermal
12.1 Specific Heat
12.2 Molar Heat Capacity
31.06 J/mol·KNA
16.443
62.7
12.3 Thermal Conductivity
58.20 W/m·K10.00 W/m·K
6.3
429
12.4 Critical Temperature
12.5 Thermal Expansion
12.6 Enthalpy
12.6.1 Enthalpy of Vaporization
69.20 kJ/molNA
7.32
799.1
12.6.2 Enthalpy of Fusion
1.4.1 Enthalpy of Atomization
1.5 Standard Molar Entropy
76.80 J/mol.KNA
9.5
198.1