MOLYMOD [Chemistry Sets]: Variety

MOLYMOD [Chemistry Sets]: Variety

•  18x various sets for use in the science laboratory which include:
Atomod2  |  Atomod3  |  Biochemistry  |  Complex ions  |  Geometry  |  Inorganic-Organic  |  Introductory  |  Key stage 3  |  Organic  |  Stereochemistry  |  Semi space-filling  |  VSEPR  |  Vibrating atom
(Note: Packaging may vary.)
•  Quality colour-coded, 3D educational models
•  Organic / inorganic chemistry, biochemistry & general science
•  For use by students & teachers at school, college or university
•  Atom parts range in size from 17 to 23 mm.
•  Other Molymod related options.

● Inorganic Kits:  molymod® inorganic, self-assembly kits contain sufficient atom parts and links to build individual crystal structures, a selection of which are shown. The kits are supplied in plastic containers with full assembly instructions. Models are of two kinds: Open, which use standard medium links to give extended structures, and Compact, that use short links to bring the atoms close together, forming a semi-space-filling type of model. We also have a wide range of individual organic self-assembly kits, including polymers, sugars and amino acids. A small selection of pre-assembled crystal structures are also available.
● Biochemistry Sets:
The following biochemical self-assembly semi-space-filling kits are available: glucose; sucrose; starch, fat; saturated fat; un-saturated fat; cholesterol; amino acids (7 and 20 model collection sets); polypeptide; protein beta-pleated sheet and alpha helix.
● miniDNA® advanced miniDNA® and RNA kits:
The advanced miniDNA® system comprises colour-coded, abstract-shaped parts designed to represent the nitrogenous bases, pentagonal sugar and pyramidal phosphate components needed to make a double-helix model of DNA. The three hydrogen bonds that connect Cytosine to Guanine and the two that connect Thymine to Adenine are represented by the appropriate number of pegs. Two DNA kits are available to make either a 12-layer (1 turn) or 22-layer (2 turns) DNA model. The models can be displayed on their stands, or unzipped into a ladder form to demonstrate the process of Replication. A similar approach can be taken with the two RNA kits to model the process of Protein Synthesis known as Transcription....']

(Wikipedia excerpt: ..."..In chemistry, the ball-and-stick model is a molecular model of a chemical substance which displays both the three-dimensional position of the atoms and the bonds between them.[1] The atoms are typically represented by spheres, connected by rods which represent the bonds. Double and triple bonds are usually represented by two or three curved rods, respectively, or alternately by correctly positioned sticks for the sigma and pi bonds. In a good model, the angles between the rods should be the same as the angles between the bonds, and the distances between the centers of the spheres should be proportional to the distances between the corresponding atomic nuclei. The chemical element of each atom is often indicated by the sphere's color.[2] .. ..")

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