Discovery: period 6spd

This gives the date, where known, of the discovery of the element, together with the discoveror and place of discovery.

image showing Discovery: period 6spd periodic periodicity for 6s, 6p, and 6d chemical elements

Units

years (AD)

Notes

Ref. 2 is a comprehensive volume on the discovery of the elements.

Literature sources

  1. D.R. Lide, (ed.) in Chemical Rubber Company handbook of chemistry and physics, CRC Press, Boca Raton, Florida, USA, 77th edition, 1996.
  2. M.E. Weeks and H.M. Leicester in Discovery of the elements, J. Chem. Ed, Easton, Penn, USA, 1968.

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