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When the indium-114 nucleus is struck with a beta-minus particle, a proton is produced along with a new isotope. What is this new isotope?
Accepted Answer
The new isotope is tin-114 (Sn-114). Here's why:
Beta-minus decay: In beta-minus decay, a neutron within the nucleus decays into a proton, an electron (the beta-minus particle), and an antineutrino. The proton stays in the nucleus, increasing the atomic number by 1.
Indium-114: Indium has an atomic number of 49. When a neutron decays into a proton, the atomic number increases to 50, which is tin.
Mass number: The mass number (number of protons and neutrons) remains the same at 114. Therefore, the resulting isotope is tin-114.
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