why are flame tests not useful for all element?

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why are flame tests not useful for all element?

2007-03-07 11:08:28 · 2 answers · asked by stardust6547 2 in Science & Mathematics ➔ Chemistry

2 answers

Two reasons. Firstly, not all elements have strong visible spectra in a flame. Secondly, even one that does may be masked out by strong lines from other elements present in the substance, such as sodium, which swamps just about everything.

2007-03-07 11:12:51 · answer #1 · answered by Anonymous · 0⤊ 0⤋

Some may emit energy in the frequencies not visible to the human eye.

2007-03-07 11:12:27 · answer #2 · answered by physandchemteach 7 · 0⤊ 0⤋