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In what way do isotopes of an element differ from each other?
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2. Atoms & Elements
Isotopes
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Which of the following are the stable isotopes of carbon?
A
C-12 and C-14
B
C-12 and C-13
C
C-11 and C-12
D
C-13 and C-14
Guida verificata passo dopo passo1
Understand what isotopes are: isotopes of an element have the same number of protons but different numbers of neutrons.
Recall that carbon has several isotopes, but only some are stable, meaning they do not undergo radioactive decay.
Identify the common isotopes of carbon: C-12, C-13, C-14, and C-11, where the number indicates the total number of protons and neutrons.
Know that C-12 and C-13 are stable isotopes, while C-14 and C-11 are radioactive (unstable) isotopes.
Therefore, the stable isotopes of carbon are C-12 and C-13.
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