Argentum is the latin name for silver. A white, shining metal, known since ancient times.
Stannum is the latin name for Tin. A grey shining metal known since ancient times.
Radium is a latin inspired name (from 'radius', ray). Discovered in 1898. Radioactive, toxic,
and it glows in the dark...
Cuprum is the latin name for copper. A red/orange, shining metal, known since ancient times.