Physics, 26.02.2021 14:00 kiylabeasty7302
(b) (i) Carbon-12 is a stable isotope. Carbon-14 is an unstable radioactive isotope.
Table 12.2 shows the contents of each nucleus.
Carbon-12
Carbon-14
Number of protons
6
6
Number of neutrons
6
8
Table 12.2
Explain why carbon-12 and carbon-14 are isotopes.
[1]
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(b) (i) Carbon-12 is a stable isotope. Carbon-14 is an unstable radioactive isotope.
Table 12.2 sho...
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