All About Caesium
Discovered by- Gustav Kirchhoff and Robert Bunsen
When and where- 1860 in Germany
Atomic Number- 55
Atomic Mass- 132.90545
When and where- 1860 in Germany
Atomic Number- 55
Atomic Mass- 132.90545
Physical Properties
- Silvery Gold
- Density of solid is 1879 kg m-3
- Soft metal
- Ductile
- Standard phase is Solid
Where is Caesium Found?
![Picture](/uploads/1/5/2/4/15244206/5951899.png?1)
Caesium is
found primarily in
the earths crust.
found primarily in
the earths crust.
Melting and Boiling Point of Caesium
Melting
301.59 Kelvin
28.44 Celsius
83.19 Fahrenheit
Boiling
944 Kelvin
671 Celsius
1240 Fahrenheit
301.59 Kelvin
28.44 Celsius
83.19 Fahrenheit
Boiling
944 Kelvin
671 Celsius
1240 Fahrenheit
Cs or Caesium is located on the periodic table in group 1, period 6
In the *Alkali Metal Family*
In the *Alkali Metal Family*
$30 per gram
BOHR MODEL
![Picture](/uploads/1/5/2/4/15244206/5091143.png?1)
Compounds that Contain Caesium
- Cesium carbonate Formula: Cs2CO3
- Cesium chloride Formula: CsCl
- Cesium hydroxide Formula: CsOH
- Cesium oxide Formula: Cs2O
Common Uses for Caesium
- Drilling fluids for the oil industry.
- Atomic clocks
- Nuclear power industry
- Photoelectric cells
- Catalyst in the hydrogenation of organic compounds
- Cancer treatments
- Magnetometers
- Infrared flares
- Ion propulsion systems
- Spectrophotometry
Facts about Caesuim
a. Comes from latin word caesius meaning sky blue or heavenly blue
b. One of the few metals that are liquids at or near room temperature
c. Highly reactive to water
d. One of the heavier alkali metals
b. One of the few metals that are liquids at or near room temperature
c. Highly reactive to water
d. One of the heavier alkali metals
Made by Elise Nugent and Reid Christianson Advanced Physical Science Period 7