DP Chemistry (last assessment 2024)
Question 17N.3.sl.TZ0.a.ii
| Date | November 2017 | Marks available | [Maximum mark: 2] | Reference code | 17N.3.sl.TZ0.a.ii |
| Level | sl | Paper | 3 | Time zone | TZ0 |
| Command term | Suggest | Question number | a.ii | Adapted from | N/A |
a.ii.
[Maximum mark: 2]
17N.3.sl.TZ0.a.ii
In the 20th Century, both fission and fusion were considered as sources of energy but fusion was economically and technically unattainable.
Suggest two advantages that fusion has over fission.
[2]
Markscheme
Any two of:
no/less radioactive waste produced
abundance/low cost of fuel
larger amounts of energy released per unit mass
does not require a critical mass
can be used continuously
fusion reactor less likely to cause large-scale technological disaster
Do not accept "no/less waste produced".
Accept “higher specific energy”.
[Max 2 Marks]
