# Problem: Scientists use carbon dating to determine the age of fossils. 14C is a rare isotope of carbon that has a half life of 5730 years and decays into 14N. By measuring the amount of 14C remaining in a fossil, scientists can estimate when the organism died out to about 60,000 years. The atomic number of C is 6, and of N is 7. The most common isotope of carbon is 12C. 14C will have ____ than 12C.  a. More protons b. More neutrons c. Fewer neutrons d. Fewer protons e. More electrons

###### Problem Details

Scientists use carbon dating to determine the age of fossils. 14C is a rare isotope of carbon that has a half life of 5730 years and decays into 14N. By measuring the amount of 14C remaining in a fossil, scientists can estimate when the organism died out to about 60,000 years. The atomic number of C is 6, and of N is 7.

The most common isotope of carbon is 12C. 14C will have ____ than 12C.

a. More protons

b. More neutrons

c. Fewer neutrons

d. Fewer protons

e. More electrons

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Isotopes concept. You can view video lessons to learn Isotopes. Or if you need more Isotopes practice, you can also practice Isotopes practice problems.

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