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Ytterbium
Ytterbium

Thulium
Thulium



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Ytterbium and Thulium Periodic Table

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Periodic Table

Symbol

Yb
Tm

Group Number

33
0 17
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Period Number

66
2 7
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Block

f block
f block

Element Family

Lanthanide
Lanthanide

CAS Number

74406447440304
7429905 54386242
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Space Group Name

Fm_ 3m
P63/mmc

Space Group Number

225.00194.00
11 276
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