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Physics 9 Online
OpenStudy (anonymous):

why the color of gold is golden and the color of silver is grey ? please answer me i have a passion toward phsics.

OpenStudy (zacr):

I am just wondering, are you asking for the literal meaning to why it is its color or the name origin?

OpenStudy (zacr):

And if you are wondering why it is its color, I would imagine it is from the absorption of light, the absorption you see is a 5d⟶6s5d⟶6s transition. For the silver 4d⟶5s4d⟶5s transition, the absorption is in the UV region, but the contraction gives gold a blue absorption (i.e., less blue is reflected). Our eyes thus see a yellow color reflected.

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