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a molecule containing anything from thousands to hundreds of millions of atoms per molecule, a polymer, e.g. biological like proteins, nucleic acids or polysaccharides, or chemical like polythene
the mass of a formula unit relative to one atomic mass unit.
a hydrocarbon with single bonds between carbon atoms and at least one hydrogen replaced by a...
the forces between atoms within molecules: covalent, polar covalent, dative covalent, ionic and...
a heterogeneous mixture with a stable distribution of a liquid in another liquid, for example,...
two electrons paired in the electron configuration diagram of an atom.