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Protactinium
Protactinium

Zirconium
Zirconium



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Protactinium
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Zirconium

Protactinium and Zirconium Periodic Table

Periodic Table

Symbol

Pa
Zr

Group Number

34
0 17
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Period Number

75
2 7
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Block

f block
d block

Element Family

Actinide
Transition Metal

CAS Number

74401337440677
7429905 54386242
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Space Group Name

I4/mmm
P63/mmc

Space Group Number

139.00194.00
11 276
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