A publisher is checking the key for a periodic table in a data book. The key gives a classification for four regions of the periodic table.
| Region | Position in the periodic table | Proposed classification |
|---|---|---|
| A | Left-hand side: Groups 1 and 2, Periods 2 and 3 | Metal |
| B | Left-hand side: Groups 1 and 2, Periods 6 and 7 | Metal |
| C | Centre: the block between Group 2 and Group 3 | Non-metal |
| D | Right-hand side: Groups 6 and 7, Periods 2 and 3 | Non-metal |
Which region has been classified incorrectly?
Region B
Region D
Region A
Region C
82 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.