307pcs Atom Model Organic Chemistry Molecular Model kit for high School Teachers and Students

Description

307 pieces (126 atoms, 30 electronic cloud tracks, 150 link keys, 1 open button tool) It can be used to formulate the structural formula of various molecules of inorganic and organic substances in chemical textbooks. Such as alkanes, olefins, alkynes, halides, alcohols, phenols, aldehydes, ketones, esters, etc. in the textbooks of secondary schools and stereoisomeric, optical isomerism and transformation between them in university textbooks.

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