Johnny Marco
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18 hours ago · Properties Form and structure Gallium crystals Most metals are shiny and lustrous, at least when polished, or fractured. Sheets of metal thicker than a few micrometres appear opaque, but gold leaf transmits green light. This is due to the freely moving electrons which reflect light. Although most elemental metals have higher densities than nonmetals, there is a wide variation in their ...
18 hours ago · Where Have You Been. " Where Have You Been " is a song by Barbadian singer Rihanna from her sixth studio album Talk That Talk (2011). It was released as the third international single from the album on April 17, 2012. The song was written by Ester Dean, Geoff Mack, Lukasz "Dr. Luke" Gottwald, Henry "Cirkut" Walter, and Calvin Harris, with ...
