Question detail
How does atomic structure help explain whether an element is a metal or a non-metal?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The periodic table
Question
- A. Metals usually have few outer electrons and form positive ions
- B. Metals and non-metals always have the same outer-shell structure
- C. Non-metals form positive ions by losing electrons easily
- D. Metal atoms are defined by having more neutrons than protons
Answer
Metals usually have few outer electrons and form positive ions
Explanation
The correct option is "Metals usually have few outer electrons and form positive ions". Metals tend to lose outer electrons to form positive ions. Non-metals usually do not form positive ions, so this distinguishes atomic-structure reasoning from just naming metal properties.
Common mistake
Misunderstanding Metal and Non-Metal Classification
Students often confuse metals and non-metals by stating that all elements can form positive ions.
Remember that only metals typically form positive ions, while non-metals do not usually form positive ions.
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