DP Chemistry (last assessment 2024)
Question 18M.3.hl.TZ2.a.iv
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.3.hl.TZ2.a.iv |
| Level | hl | Paper | 3 | Time zone | TZ2 |
| Command term | Determine | Question number | a.iv | Adapted from | N/A |
a.iv.
[Maximum mark: 1]
18M.3.hl.TZ2.a.iv
Vanadium forms a body centred cubic (BCC) crystal structure with an edge length of 303 pm, (303 × 10−12 m).
Determine the volume, in cm3, of a vanadium unit cell.
[1]
Markscheme
«303 pm = 303 × 10–10 cm»
V = «(303 × 10–10)3 =» 2.78 × 10–23 «cm3 »
[1 mark]
