A decay sequence begins with 92235U{}^{235}_{92}\mathrm{U}92235U. During the sequence, three alpha particles and one beta-minus particle are emitted. The table lists four possible results.
| row | mass number | atomic number |
|---|---|---|
| P | 223 | 85 |
| Q | 223 | 86 |
| R | 223 | 87 |
| S | 235 | 87 |
Which row gives the mass number and atomic number of the nucleus at the end of the sequence?
row P
row R
row S
row Q