DP Physics (last assessment 2024)
Question 23M.1.SL.TZ2.24
| Date | May 2023 | Marks available | [Maximum mark: 1] | Reference code | 23M.1.SL.TZ2.24 |
| Level | SL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 24 | Adapted from | N/A |
24.
[Maximum mark: 1]
23M.1.SL.TZ2.24
A nucleus of platinum (Pt) undergoes alpha decay to form an osmium (Os) nucleus as represented by the following reaction.
→ Os + alpha particle
What are the number of protons and the number of neutrons in the osmium nucleus?
| Number of protons | Number of neutrons | |
| A. | 74 | 93 |
| B. | 76 | 93 |
| C. | 74 | 95 |
| D. | 76 | 95 |
[1]
Markscheme
D