189Pcs Chemistry Organic Inorganic Molecular Structure Model Set 78 Atomics and 111 Bond Medical Model

Description: This set includes 189 pieces of durable and fine quality plastic components, virtually indestructible, and come in a sturdy plastic case for storage. Specification: Model: zx-1032A Material: PP (atomic) LDPE (connection key) ABS (box) Features: The organic chemistry curriculum, the organic molecular structure model, stick type molecular structure model, can take a variety of common and more complex C, H, O, N, Br,I organic chemical molecular structure model, suitable for teaching and laboratory use. - Suitable for junior high school students to study chemistry. - Easy to understand the molecular structure of chemical. - Training students' ability. Package Included: Quantity Atom Type Holes Color Diameter(mm) H-Hydrogen 1 White 17 30 C-Carbon 2/180 Black 23 2 C-Carbon 3/120 Black 23 6 C-Carbon 4(10928') Black 23 15 O-Oxygen 2/105 Red 23 6 N-Nitrogen 3/107 Sky Blue 23 3 N-Nitrogen 4/10928 Sky Blue 23 4 S-Sulfur 4/10928 Yellow 23 1 S-Sulfur 6/90 Yellow 23 1 Cl-Chlorine 1 Green 23 6 Br-Bromine 1 Brown 23 2 P-Phosphorus 5/120+90 Purple 23 1 Metal 1 Silver Grey 23 1 Bond - Type Color Length(mm) Short bond Gray 27 50 Double (triple) bond Flexible Purple 43 18 Long bond Transparent color 62 6 A single bond percentage Transparent color 10 30 Proportional double bond (triple bond) Gray 12 6 Remover Tool (Beige) 1 Package Included: 78 x Atoms 111 x Bonds 1 x Remover Tool 1 x Plastic Assortment Box Total Quantity: 121