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Thallium
Thallium

Actinium
Actinium



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Actinium

Thallium and Actinium Periodic Table

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Periodic Table

Symbol

Group Number

Period Number

Block

Element Family

CAS Number

Space Group Name

Space Group Number

 
Tl
13
6
p block
Post-​Transition
7440280
P63/mmc
194.00
 
Ac
3
7
f block
Actinide
7440348
Fm_ 3m
225.00