In the four radioactive series,the nuclei decay by either emitting alpha particles or beta particles until they reach the stable end product.Each decay,therefore,results in a mass number change of either 4 (for alpha decay)or 0 (for beta decay).The radium isotope ²²⁶Ra is in one of these series.What is the starting isotope in the series containing ²²⁶Ra? A)²³⁸U B)²³⁵U C)²³²Th D)²³⁷Np

Question

Quizplus · Accepted Answer

Radium-226 is part of the uranium series, which starts with Uranium-238. This series eventually decays down to lead-206, with Radium-226 being one of the intermediate products.

In the Four Radioactive Series,the Nuclei Decay by Either Emitting