Platinum is found naturally, but is not "pure" in nature.
Platinum is usually found pure.
Platinum exist in the nature as pure platinum, in alloys or as compounds (sulfides, arsenides).
Gold and platinum are inert and they are not affected by most of the chemicals and so they are found as pure metals
No. Almost all technetium is man made. In nature it is found only in trace amounts mixed in uranium or platinum ores.
Platinum is found in the nature in elemental form.
Platinum exist in the nature as pure platinum, in alloys or as compounds (sulfides, arsenides).
Alkali metals are not found as pure elements in nature.
Platinum exist in the nature as pure platinum, in alloys or as compounds (sulfides, arsenides).
Because Platinum is very inert and thus is found in native state.
Platinum usually exists uncombined in nature or alloyed with iridium.
pure element
Platinum is an elemental, metallic mineral.