| Date | November 2012 | Marks available | 1 | Reference code | 12N.1.sl.TZ0.7 |
| Level | SL | Paper | 1 | Time zone | TZ0 |
| Command term | Question number | 7 | Adapted from | N/A |
Question
Which statements about atomic structure and the periodic table are correct?
I. An element in group 2 has 2 electrons in its valence (outer) energy level.
II. An element in period 3 has electrons in 3 energy levels.
III. The element in group 2 and period 3 has an atomic number of 12.
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
D
Examiners report
The term “energy level” was used in this question in order to be consistent with assessment statement 2.3.3.
