Question detail
Which group of elements forms positive ions when reacting with non-metals?
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. Group 1 elements
- B. Group 6 elements
- C. Group 7 elements
- D. Group 2 elements
Answer
Group 1 elements
Explanation
Group 1 elements lose one electron to form positive ions, linking to noble gas electronic structures.
Common mistake
Misunderstanding Noble Gas Structures
Students often confuse the electronic structure of ions with that of noble gases, thinking that all ions have the same number of electrons as noble gases rather than having the same electron configuration.
Emphasize that ions from Group 1, Group 2, Group 6, and Group 7 elements achieve a noble gas electronic structure by losing or gaining electrons, resulting in the same arrangement of electrons, not the same total number.
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