chemical bond - Connection between atoms, crystal - Solid structure whose atoms or molecules are arranged in a repeating, 3d pattern, polymer  - Extanded structure that is made of many repeating subunits in a chain, chemical structure  - The spesific way in which the bonds and the atoms are attanged within th molecules of a substance, compound - Molecule that is made substance made from two or more different elements that have been chemically joined. with 2 or more different elements , chemical formula - Give information about the proportions of atoms in a molecule,

molecules

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