Introductory Chemistry Set, Includes: Hydrogen/Carbon/Oxygen/Nitrogen/Sulfur/Phosphorus/Chlorine/Fluorine/Bromine/Iodine atoms, Gray links for single and double bonds, Contains 120 durable plastic, Economical model set used for General or Organic Chemistry course
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