Question detail
What do isotopes of an element have in common?
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. They have the same number of neutrons.
- B. They have different chemical properties.
- C. They have the same number of protons.
- D. They have different mass numbers.
Answer
The correct answer is C: They have the same number of protons..
Explanation
The correct answer is C: They have the same number of protons.. This supports the learning objective "Explain that isotopes of an element have the same number of protons." in Mass number, atomic number and isotopes 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 Mass number, atomic number and isotopes idea: They have the same number of neutrons.; They have different chemical properties.; They have different mass numbers..
Common mistake
Misunderstanding Isotope Properties
Students often think that isotopes of an element have different numbers of protons.
Remember that isotopes are defined as atoms of the same element that have the same number of protons but different numbers of neutrons.
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