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Carbon-14 is radioactive, with a half-life of 5730 years. Archaeologists use the amount of carbon-14 left in a organic sample to determine the age of the sample. This is known as radiocarbon dating.

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Radioactive form of this element is used in dating ancient objects?

C14 (carbon) isotope (mass number 14 that is, in stead of 12) if it is of organic origin, eg. wood, coal, mummy's clothe


Which isotope is used to date ancient such as fossils?

The isotope of carbon is used to date the ancient fossils. Since every living creature had organic matter and carbon is an integral part of that organic matter, it is conventional to use carbon isotope.


What isotope is used to date ancient artifacts such as fossils?

Carbon-14 dating is commonly used to date ancient artifacts such as fossils. This method relies on the half-life of carbon-14, which isotope decays at a known rate, to estimate the age of the artifact by measuring the remaining carbon-14 in it.


What are 14 used to date organic materials?

Carbon-14 dating is used to date organic materials by measuring the amount of carbon-14 remaining in a sample. Carbon-14 is a radioactive isotope that decays at a known rate, allowing scientists to determine the age of an organic material based on the ratio of carbon-14 to carbon-12. This method is commonly used in archaeology, anthropology, and geology to date ancient artifacts and fossils.


Give an example of an isotope used in dating old objects?

cardon-14 by the use of carbon dating which is a process in which they use the half life of carbon to calculate the date of an object


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 materials can carbon dating be used to date?

Carbon dating can be used to date organic materials that were once part of a living organism, such as wood, bone, charcoal, and plant remains. It is most commonly used on objects that are less than 50,000 years old.


Why were amulets worn in ancient Egypt?

Amulets are magic objects which are carried on the person. The Egyptian words that refer to these objects are "sa" and"mkt" which are used for protective objects alone and "wedjet" which is used to refer to talisman as well. The first amulets of Ancient Egypt date to about 4000 BCE and are found among burial goods in graves. The most common type found from this time period is a female hippopotomi.


How was carbon monoxide used in ancient Rome?

It was used for executions and suicides in early Rome.


How did Chinese people make ancient weapons?

they used objects they saw around them


When was the pulley first used by humans?

The exact date of when pulleys were first used by humans is not known, but evidence suggests it was utilized in ancient Mesopotamia around 1500 BCE. Pulleys were later further developed by the ancient Greeks and Romans for various tasks such as lifting heavy objects and constructing buildings.


What materials are used to date carbon-14?

Only organic materials can be evaluated with the carbon-14 method.