Periodic Table of the Elements
Periodic Table




Previous element Next element

name Cesium
latin Caesium
french Césium
german Caesium
symbol Cs
proton number 55
atomic weight 132.90545
Pauling electronegativity 0.79
electronic configuration [Xe] 6s1
>> show long
melting point 301.59 K, 28.44°C, 83.19°F
boiling point 944 K, 671°C, 1240°F
group 1
period 6
state (by 20°C) solid
oxidation states +1
printable version
printable version

discussion board
discussion board


Year of discovery Discoverers
1860 Robert W. Bunsen (1811-1899)
Gustav R. Kirchhoff (1824-1887)

>> show more

Copyright © 1998-2023 Jan Straka
All rights reserved. Czech version Czech version