Periodic Table of the Elements: Rubidium
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 37 |
| Atomic Symbol: | Rb |
| Rubidiumrubidium , metallic chemical element; symbol Rb; at. no. 37; at. wt. 85.4678; m.p. 38.89°C;; b.p. 686°C;; sp. gr. 1.53 at 20°C;; valence +1. Rubidium is a very soft silver-white metal. ..... Click the link for more information. | |
| Atomic Weight: | 85.4678 |
| Electron Configuration: | 2 · 8 · 18 8 · 1 |