217 (disambiguation)

217 may refer to:

  • 217 (number)
  • 217 AD/CE; a year (ISO year +217; Holocene calendar year 10217; 1733 BP)
  • 217 BC/BCE; a year (ISO year -216; Holocene calendar year 9784; 2166 BP)

Places

Military

Military unit numbered 217
Naval ship with pennant number 217

Nuclear chemistry

  • Biunseptium (Bus), element 217; a theoretical nuclear chemical element with 217 protons; see extended periodic table
Isotope 217
nuclear chemical isotopes with a total of 217 protons and neutrons
  • Astatine-217
  • Bismuth-217
  • Polonium-217
  • Protactinium-217
  • Radium-217
  • Radon-217
  • Thorium-217
  • Uranium-217

Other uses

See also

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