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AVprozaik
[17]
3 years ago
11
Each helium atom has two protons. Sketch models of helium-3 and helium-4 which have approximate masses of 3 amu and 4 amu, respe
ctively. Label and differentiate protons, neutrons, and electrons in your models.
Chemistry
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answer:
lyudmila
[28]
3 years ago
8
0
Answer:
it's the 3ird option your welcome
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