Rubidium
Luke Sayre
History
It was discovered in 1861 by Robert Bunsen and Gustav Kirchoff as an impurity associated with samples of the mineral lepidolite (a form of mica). The name rubidium is Latin "rubidus" - dark red.
3 properties
- Density 1.53 g. cm-^3 at 20 C
- Boiling point 696 C
- Melting point 39 C
Uses
Used in Vacuum Tubes as a getter
Uses in Fireworks
Used as a propellant in Ion engines on spacecraft
Compounds
Rubidium Chloride - RbCl
Rubidium Monoxide- Rb subscrip 2 O
Rubidium Copper Sulfate - Rb subscript 2 SO, CuSo, 6H subscrip 20
Atomic Number / Mass
Atomic Number- 37
Atomic Mas- 85.4678 g. mol ^-1
Atomic Structure
Protons- 37
Neutrons- 48
Electrons- 37
Nuclide Notation
Hyphen Notation
Rb-85
Valence electrons
1
5 Properties of Alkali Metals
-1 valence electron
-Very soft
-low density
-low melting point
-low boiling point
Reaction type
S
Equation
4 Rb + O2 = 2 Rb2O
Brainiac Alkali Metals
Mole Ratio
4-Rb
2 -o
Compound Formula
O4rb2S
Compound Name
Rubidium Sulfate
Bond
Covalent bond
Acrostic poem
R- red
U- umbrella
B- beat
I- I
D- dont
I- in
U- up
M- man