Question detail
Using isotope notation, identify the atomic number and mass number of the isotope represented as ¹²C.
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
Question
Type
exam_style
Style
Topic
A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes
Question
Using isotope notation, identify the atomic number and mass number of the isotope represented as ¹²C.
Answer
The atomic number of the isotope ¹²C is 6, and the mass number is 12.
Explanation
This answer is strong because it correctly identifies the atomic number and mass number from the isotope notation. The question tests the student's understanding of how to interpret isotope notation.
Common mistake
Confusing Atomic Number and Mass Number
Students often confuse atomic number with mass number when using isotope notation.
Remember that atomic number refers to the number of protons, while mass number is the total of protons and neutrons. Use the notation correctly to distinguish between the two.
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