Question detail
What does the notation 12C represent in terms of 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 does the notation 12C represent in terms of isotopes?
Answer
The notation 12C indicates an isotope of carbon with a mass number of 12 and an atomic number of 6, meaning it has 6 protons and 6 neutrons.
Explanation
This question tests the understanding of isotope notation, specifically how mass number and atomic number are represented. It assesses the ability to interpret the information conveyed by the notation.
Common mistake
Misunderstanding Isotope Notation
Students often confuse the atomic number and mass number when interpreting isotope notation, leading to incorrect identification of protons and neutrons.
To fix this, remember that the atomic number (Z) represents the number of protons, while the mass number (A) is the total number of protons and neutrons. Practice interpreting isotope notation by clearly distinguishing between these two numbers.
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