Periodic System for Chemists
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Cesium Atomic Mass
Cs - Atomic Number 55
Atomic Mass
132.905
u
Ranking:
#64 of 118
Highest
Ts: 294.00
Lowest
H: 1.01
About the Atomic Mass
Atomic mass is the weighted average of all naturally occurring isotopes.
Top 10 by Atomic Mass
Top 10 by Atomic Mass
#1
Ts
Tennessine
294.00 u
#2
Og
Oganesson
294.00 u
#3
Lv
Livermorium
293.00 u
#4
Fl
Flerovium
289.00 u
#5
Mc
Moscovium
288.00 u
#6
Nh
Nihonium
286.00 u
#7
Cn
Copernicium
285.00 u
#8
Ds
Darmstadtium
281.00 u
#9
Rg
Roentgenium
281.00 u
#10
Mt
Meitnerium
276.00 u
Related Properties
Atomic Radius
Covalent Radius
Van der Waals Radius