atomic mass unit Watch

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ickle_katy
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#1
Report Thread starter 15 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 15 years ago
#2
Always afaik.
Jac
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#3
Report 15 years ago
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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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#4
Report 14 years ago
#4
(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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#5
Report 14 years ago
#5
(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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