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Erbium
Erbium

Uranium
Uranium



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Erbium and Uranium Periodic Table

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Periodic Table

Symbol

Er
U

Group Number

30
0 17
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Period Number

67
2 7
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Block

f block
f block

Element Family

Lanthanide
Actinide

CAS Number

74405207440611
7429905 54386242
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Space Group Name

P63/mmc
Cmcm

Space Group Number

194.0063.00
11 276
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