Question 1
Question detail
What are isotopes, and how do they differ in mass number?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
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exam_style
Style
Topic
Atoms and isotopes
Question
What are isotopes, and how do they differ in mass number?
Answer
Isotopes are atoms of the same element that have the same number of protons but different numbers of neutrons. This difference in neutrons results in different mass numbers for each isotope.
Explanation
This question tests the understanding of isotopes and their relationship to mass number, which is a key concept in atomic structure. It requires students to recall definitions and apply their knowledge of atomic composition.
Common mistake
Misunderstanding Isotope Mass Numbers
Students often confuse isotopes by thinking they have the same mass number.
Remember that isotopes of an element have different mass numbers due to varying numbers of neutrons.
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