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Actinium
Actinium

Berkelium
Berkelium



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Berkelium

Actinium and Berkelium Periodic Table

Periodic Table

Symbol

Ac
Bk

Group Number

314
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

74403487440406
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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