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True or False ___ 1. In terms of subatomic particles, the composition of an alpha particle is composed of 4 protons and 2 neutrons. ___ 2.
True or False
___ 1. In terms of subatomic particles, the composition of an alpha particle is composed of 4 protons and 2 neutrons.
___ 2. The explanation for how a positron particle is produced in the nucleus of a radioisotope and then ejected involves the conversion of a proton to neutron.
___ 3. After 1 half-lives have elapsed, the percentage of a radioactive sample which has not decayed is 25% the original sample
___ 4. The loss of an alpha particle by a radioactive nuclide causes the atomic number to decrease by 2.
___ 5. During beta decay, the atomic number remains constant.
