During the first artificially induced nuclear transmutation carried out by Irene and Frederick Joliot-Curie, Aluminum-27 () was bombarded with -particles () to form a radioactive isotope of Phosphorus

Question

During the first artificially induced nuclear transmutation carried out by Irene and Frederick Joliot-Curie, Aluminum-27 (${}_{13}^{27}Al$) was bombarded with $\alpha$ -particles (${}_{2}^{4}He$) to form a radioactive isotope of Phosphorus (${}_{15}^{30}P$) alongside an emitted particle $X$. What is the mass number of this emitted particle $X$?

Prashant Kotian · Accepted Answer

Correct answer: 1. The complete balanced nuclear reaction is: . Balancing the mass numbers (superscripts): . Balancing the atomic numbers (subscripts): . The particle with mass number 1 and atomic number 0 is a neutron (). Its mass number is 1.

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