Bonding & Substance Properties (AQA GCSE Chemistry): Flashcards
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Meaning of 'polymer'
Meaning of 'polymer'
Many parts
What polymer molecules are made from
What polymer molecules are made from
Lots of small parts joining together
Type of bonds linking atoms in polymers
Type of bonds linking atoms in polymers
Covalent bonds
Small parts that repeat in polymers
Small parts that repeat in polymers
Repeating units
Number of atoms in a polymer molecule
Number of atoms in a polymer molecule
Thousands or millions
Shape of polymer molecules
Shape of polymer molecules
Long chains of atoms
Smallest part showing the polymer pattern
Smallest part showing the polymer pattern
Repeating unit
Atoms in one repeating unit
Atoms in one repeating unit
Just a few (2-4 atoms)
Melting point of polymers vs small molecules
Melting point of polymers vs small molecules
Much higher
Physical state of polymers at room temp
Physical state of polymers at room temp
Solid
Strength of intermolecular forces in polymers
Strength of intermolecular forces in polymers
Strong (due to large size)
Why polymers have high melting points
Why polymers have high melting points
Stronger intermolecular forces between large molecules