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Gallium
Gallium

Protactinium
Protactinium



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Protactinium

Gallium and Protactinium Periodic Table

Periodic Table

Symbol

Ga
Pa

Group Number

133
0 17
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Period Number

47
2 7
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Block

p block
f block

Element Family

Post-​Transition
Actinide

CAS Number

74405537440133
7429905 54386242
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Space Group Name

Cmca
I4/mmm

Space Group Number

64.00139.00
11 276
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