Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Convection of Gases Apparatus, consists of a metal box (22x10x11cm) with clear acrylic front panel, two glass chimneys, a candle and a cotton filled wick as the smoke source, Includes activity guide
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