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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 · 2Periodic 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 · 8Periodic Table of the Elements: Rhenium
(Encyclopedia) Periodic Table of the Elements: Rhenium Atomic Number: 75 Atomic Symbol: Re Rhenium Atomic Weight: 186.207 Electron Configuration: 2 · 8 · 18 32 · 13 · 2Periodic Table of the Elements: Rhodium
(Encyclopedia) Periodic Table of the Elements: Rhodium Atomic Number: 45 Atomic Symbol: Rh Rhodium Atomic Weight: 102.90550 Electron Configuration: 2 · 8 · 18 16 · 1Periodic Table of the Elements: Roentgenium
(Encyclopedia) Periodic Table of the Elements: Roentgenium Atomic Number: 111 Atomic Symbol: Rg Roentgenium Atomic Weight: (280) Electron Configuration: 2 · 8 · 18 32 · 32 18 · 1Periodic Table of the Elements: Rubidium
(Encyclopedia) Periodic Table of the Elements: Rubidium Atomic Number: 37 Atomic Symbol: Rb Rubidium Atomic Weight: 85.4678 Electron Configuration: 2 · 8 · 18 8 · 1Periodic Table of the Elements: Ruthenium
(Encyclopedia) Periodic Table of the Elements: Ruthenium Atomic Number: 44 Atomic Symbol: Ru Ruthenium Atomic Weight: 101.07 Electron Configuration: 2 · 8 · 18 15 · 1Periodic Table of the Elements: Rutherfordium
(Encyclopedia) Periodic Table of the Elements: Rutherfordium Atomic Number: 104 Atomic Symbol: Rf Rutherfordium Atomic Weight: (265) Electron Configuration: 2 · 8 · 18 32 · 32 10 · 2Periodic Table of the Elements: Samarium
(Encyclopedia) Periodic Table of the Elements: Samarium Atomic Number: 62 Atomic Symbol: Sm Samarium Atomic Weight: 150.36 Electron Configuration: 2 · 8 · 18 24 · 8 · 2Periodic Table of the Elements: Scandium
(Encyclopedia) Periodic Table of the Elements: Scandium Atomic Number: 21 Atomic Symbol: Sc Scandium Atomic Weight: 44.95591 Electron Configuration: 2 · 8 · 9 · 2Trending
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