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Biology, 09.06.2020 20:57 dragongacha777
The first model represents the proton and neutron distribution in the nucleus of four helium isotopes. The second image shows the entry for helium in the periodic table. Based on the information in the periodic table, which is the most common isotope of helium?
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The first model represents the proton and neutron distribution in the nucleus of four helium isotope...
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