Chemistry · Atoms, Elements & the Periodic Table · Atomic Structure & Periodicity
Problem
In the decay sequence, ²³⁸₉₂U —X₁→ ²³⁴₉₀Th —X₂→ ²³⁴₉₁Pa —X₃→ ²³⁴_Z Z —X₄→ ²³⁰₉₀Th, X₁, X₂, X₃ and X₄ are particles/radiation emitted by the respective isotopes. The correct option(s) is(are)