![](http://www.alamy.com/thumbs/6/DB11E5B2-69CD-4D94-97DE-1F5FDD8D09B1/2GT68M4.jpg)
a Thallium atom diagram
a Thallium atom diagram illustration
Size: 5000px × 3579px
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Photo credit: © Matthew Cole / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: art, atom, atomic, atoms, aufbau, background, chemsitry, clip, clip-art, clipart, configuration, diagram, drawing, electron, electrons, energy, graphic, illustration, image, learning, levels, mass, neutrons, outer, period, periods, physics, picture, protons, shell, table, thallium