[Answer] A large atom decays and emits a particle. After the reaction is complete the atom’s mass has changed substantially. What kind of particle has most likely been emitted?

Answer: alpha particle
A large atom decays and emits a particle. After the reaction is complete the atom’s mass has changed substantially. What kind of particle has most likely been emitted?

Radioactive decay (also known as nuclear decay radioactivity radioactive disintegration or nuclear disintegration) is the process by which an unstable atomic nucleus loses energy by radiation.A material containing unstable nuclei is considered radioactive.Three of the most common types of decay are alpha decay beta decay and gamma decay all of which involve emitting one or more particles …

In nuclear physics beta decay (β-decay) is a type of radioactive decay in which a beta particle (fast energetic electron or positron) is emitted from an atomic nucleus transforming the original nuclide to an isobar of that nuclide. For example beta decay of a neutron transforms it into a proton by the emission of an electron accompanied by an antineutrino; or conversely a proton is …

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or ‘ decays into a different atomic nucleus with a mass number that is reduced by four and an atomic number that is reduced by two. An alpha particle is iden…

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