Question detail
Which of the following correctly describes a polymer?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Chemical bonds, ionic, covalent and metallic
Question
- A. A large molecule made of repeating units
- B. A small molecule with a fixed number of atoms
- C. A giant structure of ionic bonds
- D. A simple molecule with weak intermolecular forces
Answer
The correct option is A large molecule made of repeating units. This answer is correct because it matches the approved learning objective to deduce a molecular formula from a model or diagram showing atoms and bonds in the subtopic Covalent bonding.
Explanation
The correct option is A large molecule made of repeating units. A large molecule made of repeating units is correct because it directly supports the approved learning objective to deduce a molecular formula from a model or diagram showing atoms and bonds. This belongs to the subtopic Covalent bonding within Chemical bonds, ionic, covalent and metallic, so the explanation must stay tied to that curriculum context. The other options are incorrect because they either do not answer this learning objective, use a vague statement, or move away from Covalent bonding.
Common mistake
Incorrect Molecular Formula Deduction
Students often confuse the number of atoms in a molecule, leading to incorrect molecular formulas.
Carefully count the atoms of each element in the model or diagram to ensure the correct molecular formula is deduced.
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