Periodic Table of the Elements: Promethium

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Periodic Table of the Elements: Promethium

Periodic Table of the Elements: Promethium
Atomic Number: 61
Atomic Symbol: Pm
  Promethium
Atomic Weight: (145)
Electron Configuration: 2 · 8 · 18 23 · 8 · 2

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Periodic Table of the Elements: Promethium

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    Periodic Table of the Elements: Promethium