15-11-2017
Chemistry

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Uranium-235 has a half-life of 713 million years, while carbon-14 has a half-life of about 5,730 years. Which isotope would be more useful for dating a fossil from Precambrian time?

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bilbobaggins399 bilbobaggins399

15-11-2017

Uranium-235 is more useful.

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tomzhang2002oz4owq tomzhang2002oz4owq

15-11-2017

Uranium - 235. It has a longer half - life, which means that it can be used to trace events/items further back in history than carbon - 14 can.

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