Periodic Table of the Elements: Lawrencium
Related article: Periodic Table of the Elements (table)Periodic Table of the Elements
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| Atomic Number: | 103 |
| Atomic Symbol: | Lr |
| Lawrenciumlawrencium, artificially produced radioactive chemical element; symbol Lr; at. no. 103; mass number of most stable isotope 262; m.p. about 1,627°C;; b.p. and sp. gr. unknown; valence +3. ..... Click the link for more information. | |
| Atomic Weight: | (262) |
| Electron Configuration: | 2 · 8 · 18 32 · 32 9 · 2 |
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