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Periodic Table of the Elements: Phosphorus

(Encyclopedia) Periodic Table of the Elements: Phosphorus Atomic Number: 15 Atomic Symbol: P Phosphorus Atomic Weight: 30.97376 Electron Configuration: 2 · 8 · 5

Periodic Table of the Elements: Platinum

(Encyclopedia) Periodic Table of the Elements: Platinum Atomic Number: 78 Atomic Symbol: Pt Platinum Atomic Weight: 195.084 Electron Configuration: 2 · 8 · 18 32 · 16 · 2

Periodic Table of the Elements: Plutonium

(Encyclopedia) Periodic Table of the Elements: Plutonium Atomic Number: 94 Atomic Symbol: Pu Plutonium Atomic Weight: (244) Electron Configuration: 2 · 8 · 18 32 · 24 8 · 2

Periodic Table of the Elements: Polonium

(Encyclopedia) Periodic Table of the Elements: Polonium Atomic Number: 84 Atomic Symbol: Po Polonium Atomic Weight: (209) Electron Configuration: 2 · 8 · 18 32 · 18 · 6

Periodic Table of the Elements: Potassium

(Encyclopedia) Periodic Table of the Elements: Potassium Atomic Number: 19 Atomic Symbol: K Potassium Atomic Weight: 39.0983 Electron Configuration: 2 · 8 · 8 · 1

Periodic Table of the Elements: Praseodymium

(Encyclopedia) Periodic Table of the Elements: Praseodymium Atomic Number: 59 Atomic Symbol: Pr Praseodymium Atomic Weight: 140.90765 Electron Configuration: 2 · 8 · 18 21 · 8 · 2

Periodic Table of the Elements: Promethium

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

Periodic Table of the Elements: Protactinium

(Encyclopedia) Periodic Table of the Elements: Protactinium Atomic Number: 91 Atomic Symbol: Pa Protactinium Atomic Weight: 231.03588 Electron Configuration: 2 · 8 · 18 32 · 20 9 · 2

Periodic Table of the Elements: Radium

(Encyclopedia) Periodic Table of the Elements: Radium Atomic Number: 88 Atomic Symbol: Ra Radium Atomic Weight: (226) Electron Configuration: 2 · 8 · 18 32 · 18 8 · 2

Periodic Table of the Elements: Radon

(Encyclopedia) Periodic Table of the Elements: Radon Atomic Number: 86 Atomic Symbol: Rn Radon Atomic Weight: (222) Electron Configuration: 2 · 8 · 18 32 · 18 · 8