Web3. The longer the carbon chain length the lower the melting and boiling points are. 4. The shorter the carbon chain length the higher the melting and boiling points are. Why do … WebPolymers. Polymers are large molecules made up of atoms joined together by strong covalent bonds. The intermolecular forces between polymer molecules are much stronger than in small molecules because the molecules are larger. This is why most polymers are solid at room temperature.
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http://assurancepublicationsinc.com/aqa-chemistry-isa-mark-scheme-gcse WebGCSE Chemistry. 8462. Specification Planning resources Teaching resources Assessment resources Key dates GCSE Chemistry (8462) Assessment resources. Refine. Search resources: Filter . Filter. Done. Resource ... AQA is not responsible for the content of ... WebDNA encodes genetic instructions for the development and functioning of living organisms and viruses. Most DNA molecules are two polymer chains, made from four different monomers called nucleotides, in the form of a double helix. Other naturally occurring polymers important for life include proteins, starch and cellulose. birkbeck university sign in