Cerium, atomic structure

Cerium, atomic structure

C013/1614

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Caption

Cerium (Ce). Diagram of the nuclear composition and electron configuration of an atom of cerium-140 (atomic number: 58), the most common isotope of this element. The nucleus consists of 58 protons (red) and 82 neutrons (blue). Cerium is a lanthanide in period 6, and the f-block of the periodic table. It melts at 795 degrees Celsius. The trend across the lanthanide series arises from the failure of electrons filling an inner f-subshell (here, within the 4th ring) to shield outer electrons from increasing nuclear charge.

Release details

Model release not required. Property release not required.

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