Question detail
What distinguishes metallic bonding from ionic and covalent bonding?
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. Metallic bonding involves sharing electrons.
- B. Metallic bonding involves delocalised electrons.
- C. Metallic bonding occurs between non-metals.
- D. Metallic bonding forms discrete molecules.
Answer
The correct option is Metallic bonding involves delocalised electrons.. This answer is correct because it matches the approved learning objective to explain that outer-shell electrons in metals are delocalised in the subtopic Metallic bonding.
Explanation
The correct option is Metallic bonding involves delocalised electrons.. Metallic bonding involves delocalised electrons. is correct because it directly supports the approved learning objective to explain that outer-shell electrons in metals are delocalised. 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
Misunderstanding Delocalised Electrons
Students often think that outer-shell electrons in metals are localized and not free to move.
Emphasize that outer-shell electrons in metals are delocalised, meaning they can move freely throughout the metallic structure, contributing to properties like conductivity.
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