The graph shows the radioactive decay of a bone that is found to contain 1/8 of the carbon-14 found in living animals today. Approximately how old is the bone?
Answers
Answer:
Carbon 14 Dating Calculator
To find the percent of Carbon 14 remaining after a given number of years, type in the number of years and click on Calculate.
Years C 14 halflife = 5730
Carbon 14 left =
percent
To find the years that have elapsed from how much Carbon 14 remains, type in the C 14 percent and click on Calculate.
Percent C 14 C 14 halflife = 5730
Years =
+/-
Explanation:
More about Carbon Dating
In the 1940's Dr. Willard F. Libby invented carbon dating for which he received the Nobel Prize in chemistry in 1960.
Carbon dating has given archeologists a more accurate method by which they can determine the age of ancient artifacts. The halflife of carbon 14 is 5730 ± 30 years, and the method of dating lies in trying to determine how much carbon 14 (the radioactive isotope of carbon) is present in
Answer:
Radioactive decay : Ionizing radiation is released as a result of radioactive decay.
Explanation:
The assumption that the atmospheric carbon 14 level has stayed constant underlies this, though. The response, which may be three times 5568, is 16,704 years.
How old on average is the bone?
- When levels are decreased to an eighth of what they were previously, three half lives have passed (1/2 3 = 1/8).
- A change should be made to account for variations in carbon 14 concentration levels.
- The graph below can be used to compute the adjustment.
- The response, which may be three times 5568, is 16,704 years.
- However, rather than 5,568 years, the half life of carbon 14 is really 5730 +/- 40 years.
- 3 * 5730 = 17,190 years.
- The assumption that the atmospheric carbon 14 level has stayed constant underlies this, though.
- To accommodate for fluctuations in carbon 14 concentration levels, a modification should be made. The correction can be calculated using the graph below.
- To accommodate for fluctuations in carbon 14 concentration levels, a modification should be made. The correction can be calculated using the graph below.
- To accommodate for fluctuations in carbon 14 concentration levels, a modification should be made. The correction can be calculated using the graph below.
- To accommodate for fluctuations in carbon 14 concentration levels, a modification should be made. The correction can be calculated using the graph below.
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