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ChemistryChemical KineticsMiscellaneous/MixedMedium2 minQB

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After the emission of $α$ -particle from the atom $_{92} X^{238}$ , the number of neutrons in the atom will be

Answer:

Solution:

An $α$ -particle emission reduces mass number by 4 and atomic number by 2. Neutrons = $(238 - 4) - (92 - 2) = 144$ .

Stream:JEESubject:ChemistryTopic:Chemical KineticsSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: QB

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