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Gadolinium
Gadolinium

Polonium
Polonium



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Gadolinium
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Gadolinium and Polonium Periodic Table

Periodic Table

Symbol

Gd
Po

Group Number

016
0 17
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Period Number

66
2 7
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Block

f block
p block

Element Family

Lanthanide
Post-​Transition

CAS Number

74405427440086
7429905 54386242
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Space Group Name

P63/mmc
Pm-3m

Space Group Number

194.00221.00
11 276
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