Chemistry
Chemistry, 11.09.2021 06:10, jor66

14 SEP Develop Models Each helium atom has two protons. Sketch models of helium- 3 and helium-4, which have approximate masses of 3 amu and 4 amu, respectively.
Label and differentiate protons, neutrons, and electrons in your models.
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14 SEP Develop Models Each helium atom has two protons. Sketch models of helium- 3 and helium-4, w...

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