User:Difei Shi/Flame test/CrayfishClarinetist Peer Review

General info
Difei Shi and Dorsanil
 * Whose work are you reviewing?


 * Link to draft you're reviewing
 * User:Difei Shi/Flame test
 * Link to the current version of the article (if it exists)
 * Flame test

Evaluate the drafted changes
(Compose a detailed peer review here, considering each of the key aspects listed above if it is relevant. Consider the guiding questions, and check out the examples of what feedback looks like.)

Lead
Guide has had much more information added to it, including the history of the flame test, the purpose behind it, how it works, materials, and safety precautions.

Content
Added sections of History, Principle, and Safety Hazards deeply explore all aspects of the flame test. Really informative.

Tone and Balance
Tone is neutral, and suits the article.

Sources and References
All references added look to be from reputable scientific sources, but could add references to lead too, even if referencing the information later on.

Organization
All aspects of the article are well organized, does not appear crowded.

Grammar is good.

Images and Media
"Electron excitation" figure is informative, but could be made bigger if possible.

Overall impressions
I think all the extra information really adds to this article! The only major thing I would add is references in the lead section. Good job!