Final answer:
Indium as a soft metal with specific bonding characteristics and structures.
Explanation:
Indium (In) is a soft metal with a low melting point and is used in compound semiconductors like InP and InAs. It exists in two stable states, In(I) and In(III), with In(II) compounds being mixed-valence compounds.
The structure of indium can be seen in compounds like InTe and In4Se3, where it forms specific chemical bonds and structures. Indium's chemistry involves stabilizing M-M multiple bonds and has various crystalline chalcogenides with different properties.
The oxidation reactions of indium compounds, such as [('Bu)4In4], lead to the formation of new compounds like [('Bu)4In44], showcasing indium's ability to retain specific coordination environments.
Learn more about Indium properties and bonding in chemistry here:
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