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compound. this compound forms spontaneously when pure osmium metal is in contact with air, and is both volatile and extremely toxic, and thus the pure metal is rarely used. osmium is, however, the most dense naturally occurring element and imparts hardness when used in metal alloys . hard osmium-containing
each of osmium's shells is , , , , , and its electron configuration is [xe] f d s . the osmium atom has a radius of .pm and its van der waals radius is .pm. in its elemental form, cas - - , osmium has a silvery blue cast apperance.osmium has the highest melting point and the lowest vapor pressure of any...
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