Group Number
Not Available
Element Family
Actinide
Alkali
Space Group Name
I4/mmm
Im_ 3m
Interesting Facts
- Protactinium metal has 29 isotopes.
- Isotopes of Protactinium-231 used in nuclear weapon.
- Rubidium metal is 16th most common element found in the earth crust.
- Rubidium metal also found in minerals as well as seawater.
Sources
Found in Uranium Ores, Mining, Ores of metals
Obtained from Lithium Production.
Who Discovered
William Crookes
Robert Bunsen and Gustav Kirchhoff
Discovery
In 1900
In 1861
Abundance In Universe
Not Available
Abundance In Sun
~-9999 %
Abundance In Meteorites
Not Available
Abundance In Earth's Crust
Abundance In Humans
Not Available
Uses & Benefits
- Currently known uses of Protactinium 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.
Other Uses
NA
Alloys, Research Purposes
Toxicity
Highly Toxic
Non Toxic
Present in Human Body
No
Yes
Physical State
Solid
Solid
Color
Silver
Grayish White
Mohs Hardness
Not Available
Brinell Hardness
Not Available
Speed of Sound
Not Available
α Allotropes
Not Available
Not Available
β Allotropes
Not Available
Not Available
γ Allotropes
Not Available
Not Available
Pauling Electronegativity
Sanderson Electronegativity
Not Available
Allred Rochow Electronegativity
Mulliken-Jaffe Electronegativity
Not Available
Allen Electronegativity
Not Available
Pauling Electropositivity
5th Energy Level
Not Available
6th Energy Level
Not Available
7th Energy level
Not Available
8th Energy Level
Not Available
9th Energy Level
Not Available
10th Energy Level
Not Available
Electrochemical Equivalent
Electron Work Function
Not Available
Other Chemical Properties
Ionization, Radioactive Isotopes, Radioactivity
Corrosion, Ionization, Radioactive Isotopes, Radioactivity
Electron Configuration
[Rn] 5f2 6d1 7s2
[Kr] 5s1
Crystal Structure
Tetragonal (TETR)
Body Centered Cubic (BCC)
Crystal Lattice
TETR-Crystal-Structure-of-Protactinium.jpg#100
BCC-Crystal-Structure-.jpg#100
Valence Electron Potential
Lattice Angles
π/2, π/2, π/2
π/2, π/2, π/2
Lattice C/A Ratio
Not Available
Not Available
Density At Room Temperature
Density When Liquid (at m.p.)
Not Available
Tensile Strength
Not Available
Not Available
Viscosity
Not Available
Not Available
Bulk Modulus
Not Available
Young's Modulus
Not Available
Poisson Ratio
Not Available
Not Available
Other Mechanical Properties
Unknown
Ductile
Magnetic Ordering
Paramagnetic
Paramagnetic
Electrical Property
Conductor
Conductor
Electron Affinity
Not Available
Molar Heat Capacity
Not Available
Critical Temperature
Not Available
Enthalpy of Vaporization
Not Available
Enthalpy of Atomization
Not Available