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Protactinium
Protactinium

Bohrium
Bohrium



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Protactinium
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Bohrium

Protactinium and Bohrium Periodic Table

Periodic Table

Symbol

Pa
Bh

Group Number

37
0 17
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Period Number

77
2 7
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Block

f block
d block

Element Family

Actinide
Transition Metal

CAS Number

744013354037148
7429905 54386242
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Space Group Name

I4/mmm
-

Space Group Number

139.00276.00
11 276
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