Charles XIII of Sweden — cropped Photo Credit: By Carl Frederik von Breda - Rojalist, Public Domain, https://commons.wikimedia.org/w/index.php?curid=69368
Original Caroline Institute buildings — At street Hantverkargatan in Kungsholmen, Stockholm Photo Credit: By I99pema - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=29679413
Gustavianum, University of Uppsala — built 1622–1625 and now a museum Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=2670765
Selenium — Black, glassy amorphous (with thin layer of grey selenium) and red amorphous selenium Photo Credit: By W. Oelen - File:Selenium-red.jpg, File:Selenium black.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15369617
Selenium
Black, glassy amorphous (with thin layer of grey selenium) and red amorphous selenium
Cerium — Ultrapure cerium under argon Photo Credit: By Jurii - http://images-of-elements.com/, CC BY 1.0, https://commons.wikimedia.org/w/index.php?curid=9083959