Periodic Table of the Elements: Technetium
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| Atomic Number: | 43 |
| Atomic Symbol: | Tc |
| Technetiumtechnetium [Gr. technetos=artificial], artificially produced radioactive chemical element; symbol Tc; at. no. 43; mass no. of most stable isotope 98; m.p. 2,200°C;; b.p. 4,877°C;; sp. gr. 11.5 (calculated); valence +4, +6, or +7. ..... Click the link for more information. | |
| Atomic Weight: | (98) |
| Electron Configuration: | 2 · 8 · 18 13 · 2 |