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Neptunium
Neptunium
☒

Actinium
Actinium
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Neptunium
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Neptunium and Actinium Periodic Table
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Periodic Table

Symbol

Np
Ac

Group Number

33
0 17
👆🏻

Period Number

77
2 7
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Block

f block
f block

Element Family

Actinide
Actinide

CAS Number

74399987440348
7429905 54386242
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Space Group Name

Pnma
Fm_ 3m

Space Group Number

62.00225.00
11 276
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Compare Actinide Series » More

Actinide Series » More

Actinide Series » More

Mendelevium Electron Configuration
Mendelevium
Fermium Electron Configuration
Fermium
Actinium Metal
Actinium

Compare Actinide Series » More

Actinium Metal
Lawrencium Electron Configuration
Actinium vs Lawrencium
Actinium Metal
Curium Electron Configuration
Actinium vs Curium
Actinium Metal
Nobelium Metal
Actinium vs Nobelium

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