- ekamanganese
Wikipedia foundation.
Wikipedia foundation.
Dmitri Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest.[1] When Mendeleev proposed his periodic… … Wikipedia
Mendeleev's predicted elements — Professor Dmitri Mendeleev published the first Periodic Table of the Atomic Elements in 1869 based on properties which appeared with some regularity as he laid out the elements from lightest to heaviest. [ cite… … Wikipedia
Technetium — molybdenum ← technetium → ruthenium Mn ↑ Tc ↓ Re … Wikipedia
7440-26-8 — Technétium Technétium Molyb … Wikipédia en Français
99mTc — Technétium Technétium Molyb … Wikipédia en Français
Masurium — Technétium Technétium Molyb … Wikipédia en Français
Technetium — Technétium Technétium Molyb … Wikipédia en Français
Technétium — Molybdène ← Technétium → Ruthénium Mn … Wikipédia en Français