Description
Universal 2-input NAND gate module with red/green LED outputs and a printed truth table
Heavy-steel 48-inch inclined plane with a car
5V flash-lamp bulbs in student-built circuits and small-scale optics demonstrations
and refraction blocks during ray-box and spectrometer experiments
74-Piece VSEPR Molecular Model Kit for Bond Orientation Subcategory_Specific Gravity Bottles Universal 2-input NAND gate moduleUsed to teach VSEPR geometry, this 74 piece kit builds linear, bent, trigonal planar, pyramidal, tetrahedral, and trigonal bipyramidal molecules with lone pair orbitals and pear shaped bonds.
Exchange/Return Notes
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