Rhenium
101Polyhedral skeletal electron pair theory — In chemistry the polyhedral skeletal electron pair theory provides electron counting rules useful for predicting the structures of clusters such as borane and carborane clusters. The electron counting rules were originally formulated by Kenneth… …
102Ammonium perrhenate — Chembox new ImageFile = Ammonium perrhenate.svg ImageFile1 = Ammonium perrhenate.jpg ImageName = Ammonium perrhenate OtherNames = Ammonium perrhenate, Ammonium perrhenate(VII) Section1 = Chembox Identifiers CASNo = 13598 65 7 Section2 = Chembox… …
1037440-26-8 — Technétium Technétium Molyb …
10499mTc — Technétium Technétium Molyb …
105Masurium — Technétium Technétium Molyb …
106Technetium — Technétium Technétium Molyb …
107Technétium — Molybdène ← Technétium → Ruthénium Mn …
108Рений — 75 Вольфрам ← Рений → Осмий …
109dating — I In geology and archaeology, the process of determining an object s or event s place within a chronological scheme. Scientists may use either relative dating, in which items are sequenced on the basis of stratigraphic clues (see stratigraphy) or …
110Otto Berg (scientist) — Otto Berg (23 November 1873–1939) was a German scientist. He is one of the scientists credited with discovering rhenium, the next to last naturally occurring element to be discovered and the last element to be discovered having a stable isotope.… …
