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Actinium
Actinium

Curium
Curium



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Actinium
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Actinium and Curium Periodic Table

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Periodic Table

Symbol

Ac
Cm

Group Number

33
0 17
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Period Number

77
2 7
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Block

f block
f block

Element Family

Actinide
Actinide

CAS Number

74403487440519
7429905 54386242
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Space Group Name

Fm_ 3m
-

Space Group Number

225.00225.00
11 276
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