Radium (Ra) - Element 88 on the Periodic Table #228696 (License: Personal Use)

This image displays radium (Ra), the 88th element on the periodic table, belonging to Group 2 (alkaline earth metals). It features a bright yellow tile with bold black typography and a wood-grain border, mimicking classic periodic table designs. Radium is highly radioactive, discovered by Marie and Pierre Curie in 1898, and historically applied in radioluminescent paints and radiotherapy.

Used in educational chemistry resources, science websites, and infographics about radioactive elements; supports user intent for learning elemental properties, history of discovery, or radiation safety.