The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it.The resulting daughter is an 1.Isomer of parent. 2.Isotone of parent. 3.Isotope of parent. 4.Isobar of parent. Share with your friends Share 6 Vaibhav T. answered this XZA→2β-1Y1Z+2A→αY2ZA-4The resultant daughter is an isotope of the original parent nucleus. 24 View Full Answer