Question

A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX->_{Z-1}B->_{Z-3}C->_{Z-2}D}\], where Z is the atomic number of element X. The possible decay particles in the sequence are ______

Options

• β⁺, α, β^-

• β^-, α, β⁺

• α, β^-, β⁺

• α, β⁺, β^-

Answer 1

A radioactive nucleus \[\ce{^A_ZX}\] undergoes spontaneous decay in the sequence \[\ce{^A_ZX->_{Z-1}B->_{Z-3}C->_{Z-2}D}\], where Z is the atomic number of element X. The possible decay particles in the sequence are β⁺, α, β^-.