Biology, 08.03.2020 09:39 KevinReed8292

The isotope helium-3 has 1 neutron and an atomic mass of 3. Helium-3 has:
1 proton
2 protons
3 protons
4 protons

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The isotope helium-3 has 1 neutron and an atomic mass of 3. Helium-3 has:
1 proton
2 pro...