silylium
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Silylium — is a reactive form of silicon with three, rather than the usual four bonds, and a positive charge. It is the silicon analog of carbenium … Wikipedia
Non-coordinating anion — Anions that interact weakly with cations are termed non coordinating anions, although a more accurate term is weakly coordinating anion .[1] Non coordinating anions are useful in studying the reactivity of electrophilic cations. They are commonly … Wikipedia
germylium — noun Any cation formed by a germanium atom with three bonds, having the general formula RGe See Also: carbenium, silylium, stannylium … Wiktionary
stannylium — noun Any cation formed by a tin atom with three bonds, having the general formula RSn See Also: carbenium, silylium, germylium … Wiktionary
