Flame test colors (key s-block ions) (Flame colors: Na⁺ yellow, K⁺ violet (view through cobalt glass), Ca²⁺ brick-red, Sr²⁺)
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Flame colors: Na⁺ yellow, K⁺ violet (view through cobalt glass), Ca²⁺ brick-red, Sr²⁺ crimson, Ba²⁺ green.
What each symbol means
| Symbol | What it stands for |
|---|---|
| hν | Emission wavelength characteristic of element |
When to use this
Electrons excited in flame return to ground state emitting characteristic wavelengths; Na yellow is most penetrating to other colors.