I know that flame tests can be used to distinguish between some metal ions, and that the colours come from excited electrons returning to the ground state. My question is, why don't non-metal anions also produce colours? Are their emission spectra in the non-visible range? Is there a simple reason why?
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periodic trends - Comparing radii in lithium, beryllium, magnesium, aluminium and sodium ions
Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...
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Apparently the of last four, $\ce{Mg^2+}$ is closest in radius to $\ce{Li+}$. Is this true, and if so, why would a whole larger shell ($\ce{...
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I've been reading bits and pieces online but I just can't piece it all together. I have some background knowledge of signals / DSP s...
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彼ならそれくらいの事はいいかねない Translation: He can say such things. I don’t understand what this なら is added to 彼. I’ve seen it more than once too. Answ...
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Genesis 2:7 And the Lord G-d formed man of the dust of the ground vs. :19 And out of the ground the Lord G-d formed every beast of the ...
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