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Protactinium
Protactinium

Rhenium
Rhenium



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Protactinium
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Rhenium

Protactinium and Rhenium Periodic Table

Periodic Table

Symbol

Pa
Re

Group Number

37
0 17
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Period Number

76
2 7
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Block

f block
d block

Element Family

Actinide
Transition Metal

CAS Number

74401337440155
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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