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Thulium
Thulium

Americium
Americium



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Thulium
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Americium

Thulium and Americium Periodic Table

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Periodic Table

Symbol

Tm
Am

Group Number

310
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

74403047440359
7429905 54386242
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Space Group Name

P63/mmc
P63/mmc

Space Group Number

194.00194.00
11 276
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