![](http://www.alamy.com/thumbs/6/A139F6C0-4690-4B3C-B036-FB20EEE081A9/2MD25P1.jpg)
Pm Promethium, Periodic Table of the Elements, Shell Structure of Promethium - Electrons per energy
Size: 4165px × 5000px
Photo credit: © Moorthy R / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: 3d, atom, atomic, atoms, biochemistry, chemical, chemistry, college, composition, compound, configuration, diagram, education, electromagnetic, electron, electrons, element, energy, formula, gas, graphic, illustration, infographic, information, laboratory, line, mass, model, molecular, molecule, nucleus, particle, periodic, physics, pictogram, properties, proton, quantum, red, school, science, scientific, structure, symbol, table, technology, vector, weight, white, ytterbium