Thallium symbol. Element number 81 of the Periodic Table of the Elements - Chemistry - Yellow square frame with black background

---

Size: 5000px × 5000px
Location: Quito, Ecuador
Photo credit: © Alejandro Miranda / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: affinity, atom, atomic, background, black, button, chart, chemical, chemistry, color, configuration, education, electron, element, frame, graphic, icon, info, laboratory, letter, mass, mendeleev, molecule, number, periodic, physics, properties, proton, school, science, scientific, shape, sign, square, structure, substance, symbol, table, title, type, vector, vectors, weight