Carbon dating nedir
They have masses of 13 and 14 respectively and are referred to as "carbon-13" and "carbon-14." If two atoms have equal numbers of protons but differing numbers of neutrons, one is said to be an "isotope" of the other.Carbon-13 and carbon-14 are thus isotopes of carbon-12.Radiocarbon measurement can date organic remains up to about 50,000 years old.Objects younger than 500 years old are rarely radiocarbon dated.
How do scientists know how old an object or human remains are?Archaeologists precisely measure levels of the isotope in organic remains.Knowing the halflife, they back calculate how much time must have passed since the remains had levels identical to living organisms. You probably have seen or read news stories about fascinating ancient artifacts.At an archaeological dig, a piece of wooden tool is unearthed and the archaeologist finds it to be 5,000 years old.
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