ID 101783923 © Peterhermesfurian | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
118 actinides alkali arrangement atomic background block cell chart chemical chemistry color column earth element gas group halogen illustration iupac labeling lanthanide mendeleev metal metalloid name noble nonmetal number period periodic physics science spanish standard symbol table tabular transition vector white