TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY TREVOR CLIFFORD PHOTOGRAPHY / SCIENCE PHOTO LIBRARY
Sodium. Small piece of sodium metal on a watchglass (dish, right), showing its shiny surface. At left is the jar of oil used for storing the sodium. Sodium is a highly reactive alkali metal element. The oil in the jar prevents it from oxidising with the air.
Model release not required. Property release not required.