![](http://www.alamy.com/thumbs/6/C36F9CD5-C8DD-4D41-A306-7D7657D4EE7E/RG3BGH.jpg)
Atom Symbol for Promethium
Size: 5000px × 5000px
Location: usa
Photo credit: © Gregory / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: actinide, alkaline, atom, atomic, background, basic, carbon, chemistry, design, education, electron, element, elements, formula, gas, graphic, halogen, lab, laboratory, lanthanide, liquid, material, metal, metalloid, noble, nonmetal, nuclear, number, periodic, physics, promethium, proton, school, science, scientific, shell, solid, substance, symbol, symbols, table, technology, transitional