Flame test for strontium. The colour of the flame is caused by electrons that have been excited to a higher energy state. When they relax they emit energy in the form of a characteristic wavelength of light. The colour of the flame is different for different elements and can be used to identify unknown substances | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, E.R. |
Taille de l’image : | 3588 px × 5456 px |
Model Release : | Non requis |
Property Release : | Non requis |
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