ES

The Characteristic Colour of the Elements: Absorption (Salts / Glass) and Emission (Flame / Spectrum) - Mario Rodríguez Peña

Each cell shows a colour of absorption (glass/oxide/salt, label "A") or of emission (flame/spectrum, label "E"). Legend and sources at the bottom. Hover or tap a cell.

Colour confirmed as absent (colourless by electronic structure)
No reliable data
AAbsorption (colour of glass/oxide/salt)
EEmission (flame, spectrum, chemiluminescence)
Both marks at once = the two mechanisms coincide (copper and cerium)
I