Question detail
What is formed when an atom gains an electron?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
Atoms and isotopes
Question
- A. A positively charged ion.
- B. A negatively charged ion.
- C. A neutral atom.
- D. A proton.
Answer
The correct answer is B: A negatively charged ion..
Explanation
The correct answer is B: A negatively charged ion.. This supports the learning objective "Explain that atoms can form ions by losing or gaining electrons." in The structure of an atom because it uses the correct atomic and nuclear radiation relationship for Atoms and isotopes. The other options are less suitable because they do not match the required The structure of an atom idea: A positively charged ion.; A neutral atom.; A proton..
Common mistake
Confusing Atoms and Ions
Students often confuse atoms with ions, thinking they are the same when they are not.
Remember that atoms are neutral with equal numbers of protons and electrons, while ions are charged particles formed when atoms lose or gain electrons.
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