Question 1
Question detail
What are isotopes?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
Atoms and isotopes
Question
What are isotopes?
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 the isotopes.
Explanation
This question tests the understanding of the definition of isotopes, which is a key concept in atomic structure. It requires students to recall the relationship between protons and neutrons in isotopes.
Common mistake
Misidentifying Isotopes
Students often think that isotopes differ in the number of protons rather than neutrons, so they describe isotopes as having different atomic numbers.
Remind that isotopes are atoms of the same element (same atomic number) that have different numbers of neutrons, giving them different mass numbers.
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