Lithium trimers are the star-destroying material of science fiction. Consider the series of tri-atomic species Li3, Li3+,...

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Lithium trimers are the star-destroying material of sciencefiction. Consider the series of tri-atomic species Li₃,Li₃⁺, and Li₃^-. Foreach species, draw a Lewis dot electron diagram, predict thegeometry, identify the Li-Li bond order, and identify thehybridization of the central lithium atom.

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QuestionLithium trimers are the stardestroying material of sciencefiction Consider the series of triatomic species Li3Li3 and Li3 Foreach species draw a Lewis dot electron diagram predict thegeometry identify the LiLi bond order and identify thehybridization of the central lithium atomAnswersTriatomic hydrogen H is unstable and breaks up spontaneouslyH the trihydrogen cation is stable by itself and issymmetric while triatomic hydrogen anion H isunstable and also breaks up spontaneously The following answersfor the corresponding lithium species are modelled on the basis oftriatomic hydrogen species as there is not much information aboutthese speciesLi3 triatomic clusterLewis dot electron diagram and geometryThe equilateral triangle geometry is more stable than linearshape as the end atomic orbitals form an antibonding See Answer

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