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Dubnium, atomic structure

Dubnium, atomic structure

C045/6336

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53.2 MB (2.2 MB compressed)

4800 x 3872 pixels

40.6 x 32.8 cm ⏐ 16.0 x 12.9 in (300dpi)

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Credit

CARLOS CLARIVAN / SCIENCE PHOTO LIBRARY CARLOS CLARIVAN / SCIENCE PHOTO LIBRARY

Caption

Diagram of the nuclear composition, electron configuration, and valence (outer electron) orbitals of an atom of dubnium-268 (atomic number: 105), the most stable isotope of this radioactive element. The nucleus consists of 105 protons (blue) and 163 neutrons (red). Dubnium, named for where it was first synthesised in 1970, is a transactinide and transition metal in group 5, period 7, and the d-block of the periodic table. Dubnium-268 has a half-life of 29 hours, its nucleus stabilising by electron capture to form rutherfordium-268.

Release details

Model release not required. Property release not required.

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