![](http://www.alamy.com/thumbs/6/5639B98E-83E8-4CDB-B8D1-34FC786E6571/2A7F63J.jpg)
The Periodic table of elements. Handwriting chemical element Thallium Tl with black pen, test tube and pipette. Close-up.
Size: 4704px × 3136px
Photo credit: © Ekaterina Minaeva / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 81, atom, atomic, black, chemical, chemistry, education, electron, element, handwriting, mass, mendeleev, metal, notebook, number, paper, pen, periodic, pipette, science, sign, solid, studying, symbol, table, test, text, thallium, tl, tube, weight, white, word, writing