An difríocht idir athruithe ar: "Dlí Imchoimeád na Maise"
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Líne 6:
==Naisc sheachtracha==
* Law of Conservation of Mass. https://www.youtube.com/watch?v=eBTNzScLUg4
* The Khan Academy: Dalton's atomic theory,the law of conservation of mass.https://www.khanacademy.org/science/ap-chemistry/atoms-compounds-ions-ap/compounds-and-ions-ap/a/daltons-atomic-theory-version-2
==Tagairt==
[[Catagóir:Mais]]
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