According to the Group Displacement Law, the emission of a single -particle from a radioactive paren — Nuclear Chemistry and Radioactivity Chemistry Question
Question
According to the Group Displacement Law, the emission of a single $\alpha$ -particle from a radioactive parent element causes the resulting daughter element to:
Answer: A
💡 Solution & Explanation
An $\alpha$ -emission reduces the mass number by $4$ and the atomic number by $2$. Consequently, the daughter element shifts two groups to the left in the periodic table relative to the parent.
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