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RickStudent, Philosopher, Writer, Developer
Tungsten rods with evaporated crystals, partially oxidized with colorful tarnish. Purity 99.98 %, as well as a high pure (99.999 % = 5N) 1 cm3 tungsten cube for comparison.
Tungsten (wolfram) — Tungsten rods with evaporated crystals, partially oxidized with colorful tarnish. Purity 99.98 %, as well as a high pure (99.999 % = 5N) 1 cm3 tungsten cube for comparison.
Photo Credit: By Alchemist-hp (talk) (www.pse-mendelejew.de) - Own work, FAL, https://commons.wikimedia.org/w/index.php?curid=10424635
Tungsten (wolfram) Tungsten rods with evaporated crystals, partially oxidized with colorful tarnish. Purity 99.98 %, as well as a high pure (99.999 % = 5N) 1 cm3 tungsten cube for comparison.
Fausto Elhuyar —
Photo Credit: By Biblioteca Nacional de España - http://www.bne.es/, Public Domain, https://commons.wikimedia.org/w/index.php?curid=3065453
Fausto Elhuyar
Crystal-bar vanadium, showing different textures and surface oxidation; 99.95%-pure cube for comparison
Vanadium — Crystal-bar vanadium, showing different textures and surface oxidation; 99.95%-pure cube for comparison
Photo Credit: By Alchemist-hp (pse-mendelejew.de). - Own work, FAL, https://commons.wikimedia.org/w/index.php?curid=14948517
Vanadium Crystal-bar vanadium, showing different textures and surface oxidation; 99.95%-pure cube for comparison
The plateresque facade (R. Gil de Hontañón, 1543) of the most recognized building of the university
University of Alcalá — The plateresque facade (R. Gil de Hontañón, 1543) of the most recognized building of the university
Photo Credit: By FDV - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=81436162
University of Alcalá The plateresque facade (R. Gil de Hontañón, 1543) of the most recognized building of the university
Crest of Spanish University —
Photo Credit: By Source (WP:NFCC#4), Fair use, https://en.wikipedia.org/w/index.php?curid=55924583
Crest of Spanish University
Andrés Manuel del Río —
Photo Credit: By Anonymous - Public Domain, https://commons.wikimedia.org/w/index.php?curid=442961
Andrés Manuel del Río
The element erbium —
Photo Credit: By Tomihahndorf - Foto aus meiner Elementesammlung, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=1743689
The element erbium
The element terbium —
Photo Credit: By Unknown - http://images-of-elements.com/, CC BY 1.0, https://commons.wikimedia.org/w/index.php?curid=9084208
The element terbium
Pure Lanthanum —
Photo Credit: By Jurii (Original uploader was Lanthanum-138 at en.wikipedia - http://images-of-elements.com/lanthanum.php, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=15319998
Pure Lanthanum
Carl Gustaf Mosander —
Photo Credit: By Painting by Karl Gustaf Plagemann (1805-1868) - http://libris.kb.se/bib/12445599, Public Domain, https://commons.wikimedia.org/w/index.php?curid=4287298
Carl Gustaf Mosander
Lithium floating in oil —
Photo Credit: By W. Oelen - http://woelen.homescience.net/science/index.html, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15359548
Lithium floating in oil
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