Question detail
What allows metals to conduct electricity?
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. The presence of fixed ions in a lattice.
- B. The movement of delocalised electrons throughout the metallic structure.
- C. The strong ionic bonds between metal and non-metal atoms.
- D. The presence of covalent bonds in the structure.
Answer
The correct option is The movement of delocalised electrons throughout the metallic structure.. This answer is correct because it matches the approved learning objective to recognise metallic giant structures from bonding diagrams in the subtopic Metallic bonding.
Explanation
The correct option is The movement of delocalised electrons throughout the metallic structure.. The movement of delocalised electrons throughout the metallic structure. is correct because it directly supports the approved learning objective to recognise metallic giant structures from bonding diagrams. This belongs to the subtopic Metallic 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 Metallic bonding.
Common mistake
Misidentifying Metallic Structures
Students often confuse metallic giant structures with simple molecules in bonding diagrams.
Focus on the arrangement of atoms and the presence of delocalised electrons in metallic bonding diagrams to distinguish them from simple molecular structures.
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