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ickle_katy
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Report Thread starter 16 years ago
#1
does 1 atomic mass unit always =1.661*10^-27 kg


or is that just for helium???


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#2
Report 16 years ago
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Always afaik.
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Jac
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Yep always, because it is defined as 1/12 of the mass of the carbon-12 isotope, and that doesn't change.

j
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MC Hawking
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(Original post by ickle_katy)
does 1 atomic mass unit always =1.661*10^-27 kg


or is that just for helium???


love Katy ***
It's 1.6605 * 10^-27 kg, to be precise.
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MC Hawking
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(Original post by Jac)
Yep always, because it is defined as 1/12 of the mass of the carbon-12 isotope, and that doesn't change.

j
Yes, that is correct.
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