12) Scientists are using Carbon-14 to date a fossil found in some ruins in a crater in southern Arizona. Using a particle accelerator, it is determined that a sample from the fossil contains 25 g of Carbon-14 and 75 g of Nitrogen-14. Using this information, what is the most likely age of the fossil? A) 12,000 years old B) 17,000 years old C) 573,000 years old D) 6000 years oldNot Graded ### Isotope Decay TableThis table provides information about the decay processes of certain isotopes, including their fission products and half-lives.| **Isotope** | **Fission Product** | **Half-life (in years)** ||------------------|---------------------|--------------------------|| Uranium-235 | Lead-207 | 704 million || Rubidium-87 | Strontium-87 | 48.8 billion || Potassium-40 | Argon-40 | 1.277 billion || Carbon-14 | Nitrogen-14 | 5730 ± 40 |### Explanation of Terms- **Isotope**: A variant of a particular chemical element which differs in neutron number.- **Fission Product**: The stable element or isotope produced following radioactive decay.- **Half-life**: The time required for half of the isotope in a sample to decay.Each row in the table identifies a specific isotope, the fission product that results from its decay, and the isotope’s half-life expressed in years, which indicates how long it takes for half of the isotope to decay.

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Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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12) Scientists are using Carbon-14 to date a fossil found in some ruins in a crater in southern Arizona. Using a particle accelerator, it is determined that a sample from the fossil contains 25 g of Carbon-14 and 75 g of Nitrogen-14. Using this information, what is the most likely age of the fossil?

A) 12,000 years old

B) 17,000 years old

C) 573,000 years old

D) 6000 years old

Not Graded

### Isotope Decay Table

This table provides information about the decay processes of certain isotopes, including their fission products and half-lives.

| **Isotope** | **Fission Product** | **Half-life (in years)** |
|------------------|---------------------|--------------------------|
| Uranium-235 | Lead-207 | 704 million |
| Rubidium-87 | Strontium-87 | 48.8 billion |
| Potassium-40 | Argon-40 | 1.277 billion |
| Carbon-14 | Nitrogen-14 | 5730 ± 40 |

### Explanation of Terms

- **Isotope**: A variant of a particular chemical element which differs in neutron number.
- **Fission Product**: The stable element or isotope produced following radioactive decay.
- **Half-life**: The time required for half of the isotope in a sample to decay.

Each row in the table identifies a specific isotope, the fission product that results from its decay, and the isotope’s half-life expressed in years, which indicates how long it takes for half of the isotope to decay.

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