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Fermium
Fermium
☒

Promethium
Promethium
☒



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Fermium
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Promethium

Fermium and Promethium Periodic Table
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Periodic Table

Symbol

Fm
Pm

Group Number

33
0 17
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Period Number

76
2 7
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Block

f block
f block

Element Family

Actinide
Lanthanide

CAS Number

74407247440122
7429905 54386242
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Space Group Name

-
-

Space Group Number

194.00194.00
11 276
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Compare Actinide Series » More

Actinide Series » More

Actinide Series » More

Americium Metal
Americium
Neptunium Electron Configuration
Neptunium
Actinium Metal
Actinium

Compare Actinide Series » More

Promethium Electron Configuration
Berkelium Electron Configuration
Promethium vs Berkelium
Promethium Electron Configuration
Protactinium Electron Configuration
Promethium vs Protactinium
Promethium Electron Configuration
Nobelium Metal
Promethium vs Nobelium

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