Iridium (source code)
= Iridium
{title2=$\mathrm{Ir}$}
{wiki}
<Iridium> is the <chemical element> with <atomic number> 77 and symbol $\mathrm{Ir}$. It is a <transition metal>. It is a dense platinum-group metal with strong corrosion resistance. Iridium-containing complexes and oxides can serve as <catalysts>, illustrating how oxidation state and coordination change the behavior of a chemically resistant bulk metal.<Periodic Table by Royal Society of Chemistry>[Iridium, element data and uses]{ref}
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