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Actinium
Actinium

Cobalt
Cobalt



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Actinium and Cobalt Periodic Table

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Periodic Table

Symbol

Ac
Co

Group Number

39
0 17
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Period Number

74
2 7
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Block

f block
d block

Element Family

Actinide
Transition Metal

CAS Number

74403487440484
7429905 54386242
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Space Group Name

Fm_ 3m
P63/mmc

Space Group Number

225.00194.00
11 276
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