| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.sl.TZ1.7 |
| Level | SL | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
What is the total number of valence electrons in \({\text{C}}{{\text{H}}_{\text{3}}}{\text{CO}}{{\text{O}}^ - }\)?
A. 16
B. 22
C. 23
D. 24
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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