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When the osmium-191 nucleus is struck with an alpha particle, a proton is produced along with a new isotope. What is this new isotope?
Accepted Answer
The new isotope is Iridium-194. Here's the nuclear reaction:
Os-191 + alpha particle -→ Ir-194 + proton
Here's why:
Alpha particle: An alpha particle is a helium nucleus (2 protons and 2 neutrons).
Osmium-191: Has 76 protons (atomic number) and 115 neutrons.
Proton: A proton with a +1 charge.
Iridium-194: Has 77 protons and 117 neutrons.
The alpha particle adds 2 protons and 2 neutrons to the Osmium nucleus, resulting in the formation of Iridium. The emission of a proton reduces the atomic number by one, leaving the final product as Iridium-194.
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