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Thulium
Thulium

Neptunium
Neptunium



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Neptunium

Thulium and Neptunium Periodic Table

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Periodic Table

Symbol

Tm
Np

Group Number

33
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

74403047439998
7429905 54386242
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Space Group Name

P63/mmc
Pnma

Space Group Number

194.0062.00
11 276
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