'''Platinum''' is an extremely unreactive (it is found in its [[Native Elements|native]] state) chemical [[element]]. It is a catalyst for several reactions, and is used in catalytic converters and in the synthesis of [[nitric acid]]. | '''Platinum''' is an extremely unreactive (it is found in its [[Native Elements|native]] state) chemical [[element]]. It is a catalyst for several reactions, and is used in catalytic converters and in the synthesis of [[nitric acid]]. |