RIGHTS AND PERMISSIONS

Permission is granted to copy, distribute and/or modify this image freely for any purpose, including commercial use, as long as the author and the source are credited:

E. Generalic, https://www.periodni.com/es/ecuaciones_matematicas_y_quimicas_en_la_web.html

To save the full size image, 1097×1183 px, right-click anywhere on the image and select "Save Picture As..." or "Save Image As...". If you are a Mac user, click and hold on the image until the pop-up selection menu appears, then choose "Save Image".