Polymer molecules (AQA GCSE Chemistry Combined Science): Quizzes
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Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of bonds join atoms together in polymer molecules?
What type of bonds join atoms together in polymer molecules?
Covalent bonds
What does the term 'poly' mean in the word polymer?
What does the term 'poly' mean in the word polymer?
Many
What is a repeating unit in a polymer?
What is a repeating unit in a polymer?
Smallest part showing the pattern
What type of bonds connect each repeating unit to the next in a polymer chain?
What type of bonds connect each repeating unit to the next in a polymer chain?
Strong covalent bonds
How many repeating units can a polymer chain contain?
How many repeating units can a polymer chain contain?
Hundreds or thousands
Why do polymers have relatively strong intermolecular forces?
Why do polymers have relatively strong intermolecular forces?
Large size means more surface contact
What physical state are polymers at room temperature?
What physical state are polymers at room temperature?
Solid
Why do polymers have high melting points?
Why do polymers have high melting points?
Need energy to break strong forces
Why are polymers strong materials?
Why are polymers strong materials?
Long chains & strong forces
What does an empirical formula show?
What does an empirical formula show?
Simplest ratio of atoms
What is the empirical formula of polyethene?
What is the empirical formula of polyethene?
What are common uses of polyethene?
What are common uses of polyethene?
Plastic bags and bottles