GBP 20.00 Molecular Shapes - Electron Repulsion Theory.. ... The different shapes are examples of the orientations of the bonds and cover coordination numbers 1 to 6. Lone pairs are represented ... Item: W19758

GBP 40.00 Amino Acid 7 Model Collection Kit (Including.. ... Glutamine and Proline. Extra parts are included to form peptide bonds and hydrogen bonds to make a polypeptide chain and part of a ... Item: W19712

GBP 21.00 Organic Student Set ... links are provided to make single, double, and triple bonds for OPEN and short links for CLOSED models. The models can easily be assembled ... Item: W19721

GBP 19.00 Inorganic/Organic Student Set ... links are provided to make single, double, and triple bonds for OPEN and short links for CLOSED models. The models can easily be assembled ... Item: W19722