Discovery of iridium
Iridium is a chemical element with an atomic number of 77 and an atomic weight of 192.22. Iridium was discovered in 1803 as an insoluble impurity of platinum.
Iridium is a chemical element with an atomic number of 77 and an atomic weight of 192.22. Iridium was discovered in 1803 as an insoluble impurity of platinum.
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