The color tag has no wiki summary.
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1answer
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Why do transition elements make colored compounds?
Why do transition metals element make colored compound both in solid form and in solution? Is it related with their electrons or something else?
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Is it possible to calculate chromacity coordinates using absorbance values?
I have absorbance values for blood plasma. Absorbance was measured in range of 380 – 600 nm every 5 nm ending up with absorbance values for 45 wave lengths.
I was browsing through literature, and I ...
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What causes Copper Rose?
We made a solution of Tetrakis Copper(I) hexafluorophosphate and the usual color is yellowish. As it oxidizes to Cu(II), it should turn blue.
However, our current mixture has an off color that is ...
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1answer
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Why are some salt solutions coloured?
I notice that salt solutions of $\ce{NaCl}$ and $\ce{KCl}$ are colourless while those of $\ce{CuSO4}$ and $\ce{FeSO4}$ are coloured.
I got as far as figuring that it has to do with the transition ...
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0answers
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What chemical compounds were used in CRT phosphors?
In the old days computer monitors and televisions were built from cathode ray tubes (CRTs) where the image was generated by an electron beam hitting phosphors which emitted light approximating the ...
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1answer
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Question about fire and colors
Most solids objects turn black after they are burnt.
But some turn white.
Why is that ?
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How may copper acetate ligands be manipulated to change colors?
I have a solution of copper acetate and I would like to play around with the ligands to get different colors.
Background: The copper acetate was made through mixing vinegar (5% acetic acid), NaCl, ...
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Color of chromate and permanganate
I've heard quite a few times that the chromate and permanganate have a $d^3s$ configuration. Also, their colors arise due to a rapid switching of electrons between the oxygen and metal atoms.
I don't ...
