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Samarium
Samarium
☒

Neptunium
Neptunium
☒



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Samarium
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Neptunium

Samarium and Neptunium Periodic Table
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Periodic Table

Symbol

Sm
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

74401997439998
7429905 54386242
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Space Group Name

R_ 3m
Pnma

Space Group Number

166.0062.00
11 276
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Compare Lanthanide Series » More

Lanthanide Series » More

Lanthanide Series » More

Dysprosium Metal
Dysprosium
Holmium Metal
Holmium
Lutetium Metal
Lutetium

Compare Lanthanide Series » More

Neptunium Electron Configuration
Europium Metal
Neptunium vs Europium
Neptunium Electron Configuration
Promethium Electron Configuration
Neptunium vs Promethium
Neptunium Electron Configuration
Thulium Metal
Neptunium vs Thulium

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