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Erbium, atomic structure

Erbium, atomic structure

C013/1624

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60.0 MB (976.1 KB compressed)

4579 x 4579 pixels

38.9 x 38.9 cm ⏐ 15.3 x 15.3 in (300dpi)

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Credit

SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY

Caption

Erbium (Er). Diagram of the nuclear composition and electron configuration of an atom of erbium-166 (atomic number: 68), the most common isotope of this element. The nucleus consists of 68 protons (red) and 98 neutrons (blue). Erbium is a lanthanide in period 6, and the f-block of the periodic table. It melts at 1529 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.

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Model release not required. Property release not required.

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