telluronium
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telluronium — tel·lu·ro·ni·um … English syllables
telluronium — ˌtelyəˈrōnēəm noun ( s) Etymology: New Latin, from tellur + onium (as in sulfonium) : a univalent cation TeH3+ or radical H3Te analogous to sulfonium … Useful english dictionary
Onium compounds — are cations derived by the protonation of mononuclear parent hydrides of elements of the nitrogen group (Group 15), chalcogens (Group 16), or halogens (Group 17), and similar cations derived by the substitution of hydrogen atoms in the former by… … Wikipedia