Diagram of the nuclear composition, electron configuration, and valence (outer electron) orbitals of an atom of meitnerium-276 (atomic number: 109), an isotope of this radioactive element. The nucleus consists of 109 protons (blue) and 167 neutrons (red). Meitnerium, named after Lise Meitner and first synthesised in 1982, is a transactinide of unknown properties in group 9, period 7, and the d-block of the periodic table. Meitnerium-276 has a half-life of 0.72 seconds. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clarivan, Carlos |
Bildgröße: | 4800 px × 3872 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |