VSEPR theory models for teaching electron pair repulsion & shape of molecules.
From student sets to large lecture hall size; spare parts for every model set we sell.
The VSEPR theory (valence shell electron pair repulsion theory) shape of molecules depicts Lewis electron dot structures as 3 dimensional arrangements of atoms. Further, VSEPR theory predicts the shape or geometry of most polyatomic molecules.
Both styles of Indigo® VSEPR theory molecular models are particularly versatile for illustrating this. They both include molecular orbitals to depict nonbinding electrons. The Orbit style allows accurate purine & pyrimidine ring structures to be built in our 12 base pair DNA model using carbon with 3 different bond angles and nitrogen with two.
The Unit style is even more versatile in being able to depict subtle orbital interactions that determine the many molecular shapes found in organic chemistry and biochemistry. Atoms positioned in the axial position can be combined with other atoms in the many available equatorial positions to depict virtually any hydrogen, ionic or covalent bonded molecules. (See Unit Style-More Information).
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We have 2 versions of Orbit style VSEPR theory models. The basic set builds 6 molecular geometries. The advanced set makes 13 shapes including linear, square planar, square pyramidal, trigonal planar, trigonal pyramidal, trigonal bipyramidal, pentagonal bipyramidal.and comes with white & black paddles to represent lone electron pairs.
The Unit model set 69180 has 45mm diameter spheres. It comes with 6 molecules representative of 6 shapes. The 69180 has central atoms & when combined with the large black & white "paddles" any VSEPR geometry/configuration is possible.
Here's what one customer had to say in a Google Review about our Basic VSEPR Theory Molecular Model set:
Bought 20 pieces of basic VSEPR Theory Model set...perfect for distribution in class for students to play around with...Very well made and durable. Should last me for years...Read the full review at Maverick Puah.
