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Actinium
Actinium

Meitnerium
Meitnerium



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Actinium and Meitnerium Periodic Table

Periodic Table

Symbol

Ac
Mt

Group Number

39
0 17
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Period Number

77
2 7
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Block

f block
d block

Element Family

Actinide
Probably Transition

CAS Number

744034854038016
7429905 54386242
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Space Group Name

Fm_ 3m
-

Space Group Number

225.00166.00
11 276
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