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Protactinium
Protactinium

Meitnerium
Meitnerium



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Protactinium
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Protactinium and Meitnerium Periodic Table

Periodic Table

Symbol

Pa
Mt

Group Number

39
0 17
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Period Number

77
2 7
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Block

f block
d block

Element Family

Actinide
Probably Transition

CAS Number

744013354038016
7429905 54386242
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Space Group Name

I4/mmm
-

Space Group Number

139.00166.00
11 276
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