Polymer molecules (AQA GCSE Chemistry): Quizzes
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Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What are polymer molecules?
What are polymer molecules?
Big molecules from many small parts
What does the word 'polymer' mean?
What does the word 'polymer' mean?
Many parts
What type of bonds hold atoms together in polymer molecules?
What type of bonds hold atoms together in polymer molecules?
Covalent bonds
What are the small parts that repeat over and over in a polymer called?
What are the small parts that repeat over and over in a polymer called?
Repeating units
What structural feature do polymer molecules have?
What structural feature do polymer molecules have?
Long chains of atoms
How many atoms do repeating units in polymers often contain?
How many atoms do repeating units in polymers often contain?
2-4 atoms
What is the physical state of polymers at room temperature?
What is the physical state of polymers at room temperature?
Solid
How do polymer melting points compare to smaller covalent molecules?
How do polymer melting points compare to smaller covalent molecules?
Much higher
Why do polymers have high melting points?
Why do polymers have high melting points?
Stronger intermolecular forces
What holds atoms together within a single polymer molecule?
What holds atoms together within a single polymer molecule?
Strong covalent bonds
How many times does the repeating unit repeat in a polymer?
How many times does the repeating unit repeat in a polymer?
Thousands of times