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Use the atomic masses on the table below to calculate Δm for the change :He-2 2H Which is more stable: 2 protons, 2 neutrons, and 2 electrons when they are combined astwo H atoms or as one 4 He atom? a. two H atoms b. one 4He atom Particle or atomMass (u) 1.007276 1.008665 0.000549 2.014102 proton neutron electron 2 4 2 He 4.002603

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