![](http://www.alamy.com/thumbs/6/B8D54DFD-11BD-483E-9168-C8F380D5A70F/E09Y3A.jpg)
Isolated blackboard with periodic table Yttrium chemistry
Size: 5184px × 3456px
Photo credit: © Micha Klootwijk / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: actinoids, atmosphere, atom, atomic, background, blackboard, chemistry, compounds, design, earth, education, educational, electron, element, gases, glossy, graphic, halogens, illustration, isolated, lab, laboratory, lanthanoids, mass, mendeleev, metal, neutrons, numbers, periodic, physics, poster, proton, school, science, scientific, sign, solid, substance, switch, symbol, system, table, text, universe, weight, yttrium