Isotopes of the same element have some features that are the same and some that are different. Which row shows the features that are the same and those that are different?
A.
B.
C.
D.
Exam No：0620_s24_qp_12 Year：2024 Question No：6
Answer:
B
Knowledge points:
2.3.1. Define isotopes as different atoms of the same element that have the same number of protons but different numbers of neutrons
2.3.2. Interpret and use symbols for atoms, $\text { e.g. }{ }_{6}^{12} \mathrm{C} \text {, and ions, e.g. }{ }_{17}^{35} \mathrm{Cl}$
2.3.3. State that isotopes of the same element have the same chemical properties because they have the same number of electrons and therefore the same electronic configuration
2.3.4. Calculate the relative atomic mass of an element from the relative masses and abundances of its isotopes
Solution:
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