Question

Series Starts with Ends with
$4n+3$ ${}_{92}^{235}U$ ${}^{207}82Pb$
If true enter 1, else entet 0.

Answer 1

The $4n+3$ chain of uranium-235 is commonly called the "actinium series". The naturally occurring isotope U-235. This series starts with uranium-235 and terminates with the stable isotope lead-207. These are a set of unstable heavy nuclei constituting one of the four radioactive series.

It is true. Answer is 1.