PhysicsEasy183×since 2002Q6082A radioactive nucleus (initial mass number AAA and atomic number ZZZ emits 3 α3\,\alpha3α- particles and 222 positrons. The ratio of number of neutrons to that of protons in the final nucleus will beAA−Z−8Z−4{{A - Z - 8} \over {Z - 4}}Z−4A−Z−8BA−Z−4Z−8{{A - Z - 4} \over {Z - 8}}Z−8A−Z−4CA−Z−12Z−4{{A - Z - 12} \over {Z - 4}}Z−4A−Z−12DA−Z−4Z−2{{A - Z - 4} \over {Z - 2}}Z−2A−Z−4Check answerSkip