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Neptunium
Neptunium
☒

Polonium
Polonium
☒



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Neptunium
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Neptunium and Polonium Periodic Table
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Periodic Table

Symbol

Np
Po

Group Number

316
0 17
👆🏻

Period Number

76
2 7
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Block

f block
p block

Element Family

Actinide
Post-​Transition

CAS Number

74399987440086
7429905 54386242
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Space Group Name

Pnma
Pm-3m

Space Group Number

62.00221.00
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

Polonium Metal
Lawrencium Electron Configuration
Polonium vs Lawrencium
Polonium Metal
Curium Electron Configuration
Polonium vs Curium
Polonium Metal
Nobelium Metal
Polonium vs Nobelium

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