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Actinium
Actinium

Beryllium
Beryllium



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Beryllium

Actinium and Beryllium Periodic Table

Periodic Table

Symbol

Ac
Be

Group Number

32
0 17
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Period Number

72
2 7
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Block

f block
s block

Element Family

Actinide
Alkaline Earth

CAS Number

74403487440417
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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