Emission spectrum

The emission spectrum of an element or compound is how bright certain frequencies are when energy is added to the atoms or molecules.

Each atom's emission spectrum has different spectral lines and can be used to figure out if that atom is part of a compound

Emission Spectrum Media

• 

  Emission spectrum of a ceramic metal halide lamp.

• 

  A demonstration of the 589 nm D2 (left) and 590 nm D1 (right) emission sodium D lines using a wick with salt water in a flame

• 

  Emission spectrum of hydrogen

• 

  Emission spectrum of iron

• 

  Schematic diagram of spontaneous emission