How many isotopes of gold are there?

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How many isotopes of gold are there?

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Answer 1 · 2014-09-10T10:23:21

There is only one stable isotope of gold found in nature, $^{197} Au$ $""^"197""Au"$ .

However, there are four synthetic isotopes of gold that are radioactive: They are $^{195} Au$ $""^"195""Au"$ , $^{196} Au$ $""^"196""Au"$ , $^{198} Au$ $""^"198""Au"$ , and $^{199} Au$ $""^"199""Au"$ , with half-lives anywhere from 2.7 days to 186 days.

Refer to the Wikipedia article on gold at http://en.wikipedia.org/wiki/Gold

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How many isotopes of gold are there?

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