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How old is a bone in which the carbon-14 has undergone 3 half-lives?
A bone in which the carbon-14 has undergone 3 half-lives would be approximately 17,100 years old, as each half-life of carbon-14 is about 5,700 years.
What is the age of a prehistoric mummified human skin that contains 12.5 percent of the original amount of carbon-14?
The half life of C-14 is about 5730 years and 12.5% is 100% x (.5)^3 so 3 half lives of the C-14 have occured. Now all you do is multiply 5730 years by 3 and get 17190 years. That's pretty old!
What does an atom of carbon 14 contain?
It contains 6 protons, 8 neutrons, and 6 electrons
How many elements are there in ddt?
DDT contains 3 elements: carbon, hydrogen, and chlorine.
How old is a piece of wood that has 0.7813 percent of the carbon-14 of a living organism?
40110 years
How old is a dinosaur bone containing 50 percent carbon 14 and 50 percent nitrogen 14?
Dinosaur bones won't have any C14; that's all used up in about 50,000 years. The "freshest" dino bone you can find will be at least 65,000,000 years old. Actually, the dino bone will be so mineralized that there really won't be any "bone" left.
How old is an artifact that contains 12.5 percent of its original carbon-14?
The artifact is approximately 17,500 years old. This calculation is based on the half-life of carbon-14, which is about 5,730 years. By determining the percentage of remaining carbon-14 in the artifact, scientists can estimate its age.
How many neutrons does the element carbon have?
Carbon 12 the most common contains 6 Carbon 13 contains 7 Carbon 14 contains 8
How old is a bone in which the carbon-14 has undergone 3 half-lives?
A bone in which the carbon-14 has undergone 3 half-lives would be approximately 17,100 years old, as each half-life of carbon-14 is about 5,700 years.
How much percent carbon in 1114 steel?
.14%
An atom of carbon-14 contains how many protons?
All carbon atoms have 6 protons, which is why carbon's atomic number is 6. All neutral carbon atoms have 6 electrons. The number of neutrons in a carbon-14 atom is its mass number minus its atomic number, 14 - 6 = 8 neutrons.
What is the age of a prehistoric mummified human skin that contains 12.5 percent of the original amount of carbon-14?
The half life of C-14 is about 5730 years and 12.5% is 100% x (.5)^3 so 3 half lives of the C-14 have occured. Now all you do is multiply 5730 years by 3 and get 17190 years. That's pretty old!
In what terms do carbon-14 differs from carbon-12?
Carbon fourteen contains two more neutrons as compared to carbon twelve.
How many carbon atoms react with 14 molecules of oxygen to form 14 molecules of carbon dioxide with the equation C O2CO2?
With the chemical equation given, each molecule of carbon dioxide contains 1 carbon atom. Therefore, 14 molecules of carbon dioxide will require 14 carbon atoms to react with the 14 molecules of oxygen.
Which element is used for archaeological discoveries?
Carbon-14 dating is commonly used in archaeology to determine the age of organic materials, such as bone and charcoal. This method measures the radioactive decay of carbon-14 isotopes in the sample to estimate its age.
Carbon 14 has a half life of 5715 years it is used to determine the age of ancient objects if a sample today contains 0.060mg of carbon 14 how much carbon 14 must have been present in 430 years ago?
.06798mg
What atom of carbon 14 contains?
It contains 6 protons, 8 neutrons, and 6 electrons
