U.S. Department of Energy @ENERGY
Margaret created the term "isotopes". Lise discovered protactinium. Harriett determined radioactive decay produces new elements. Dawn found six elements. Celebrate #NationalPeriodicTableDay & learn about women in their element: https://t.co/4I4LLywLmd #STEMRising #WomeninSTEM https://t.co/d4hbkot4Gb — PolitiTweet.org