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Silver: reactions of elements. Reaction of silver with air. Silver metal is stable in clean air under normal conditions. Reaction of silver with water. Silver does not react with clean water. Reaction of silver with the halogens. The thermally stable silver difluoride, silver(II) difluoride, AgF2, is formed in the reaction of silver metal and fluorine, F2. Reaction of silver with acids. Silver metal dissolves in hot concentrated sulphuric acid.
Silver (Ag) has an electron configuration of [Kr] 4d105s1. The element is much more stable and has a lower energy when the 4d orbital is filled, so one electron is placed there, rather than in the 5s orbital. When it is ionized, the electron is removed from the outermost shell, which is the 5s orbital. So the electron configuration for Ag+ becomes [Kr] 4d10.