Ptartaro21 Ptartaro21

11-11-2016
Chemistry

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Which particles have approximately the same mass? 1. alpha particle and beta particle 2. alpha particle and proton 3. neutron and positron 4. neutron and proton

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ingrid101 ingrid101

11-11-2016

A proton has the same mass as a neutron. An electron has the same mass as a beta particle. An alpha particle has a mass of 4: two protons plus two neutrons.

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