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Ruthenium
Ruthenium
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Actinium
Actinium
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Ruthenium and Actinium Periodic Table

Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Ru
8
5
d block
Transition Metal
7440188
P63/mmc
194.00
 
Ac
3
7
f block
Actinide
7440348
Fm_ 3m
225.00