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Erbium
Erbium

Gallium
Gallium



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Erbium and Gallium Periodic Table

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Periodic Table

Symbol

Er
Ga

Group Number

313
0 17
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Period Number

64
2 7
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Block

f block
p block

Element Family

Lanthanide
Post-​Transition

CAS Number

74405207440553
7429905 54386242
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Space Group Name

P63/mmc
Cmca

Space Group Number

194.0064.00
11 276
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