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26-09-2016
Chemistry

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What is the mass of the helium nucleus?

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ohmyselena ohmyselena

29-09-2016

The mass of the helium nucleus is6.64 x 10^-27 kilograms. The mass is calculated by adding together the mass of two protons, each of which has a mass of 1.67 x 10^-27 kilogramsand two neutrons, which each have a mass of 1.67 x 10^-27 kilograms.

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