| Date | November 2009 | Marks available | 1 | Reference code | 09N.1.hl.TZ0.14 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Identify | Question number | 14 | Adapted from | N/A |
Question
What is the type of hybridization of the silicon and oxygen atoms in silicon dioxide?
Markscheme
A
Examiners report
This question on hybridization was particularly badly answered (Difficulty Index 29%), though it was not clear as to whether this arose from a lack of comprehension of the concept itself or the structure of silicon dioxide.
