3 ms·
https://physics.stackexchange.com/questions/72368/why-are-most-metals-gray-silver/72412#72412 https://physics.stackexchange.com/questions/72368/why-are-mo...
by asdfasdfsd 11y ago
https://physics.stackexchange.com/questions/72368/why-are-most-metals-gray-silver/72412#72412 https://physics.stackexchange.com/questions/72368/why-are-mo...