The table shows the electronic structures of four elements, W, X, Y and Z.
| Element | Electronic structure |
|---|---|
| W | 2.8.2 |
| X | 2.3 |
| Y | 2.8.6 |
| Z | 2.8.3 |
Which two elements are both metals and in the same period?
W and X
X and Z
W and Y
W and Z
122 exam-style questions on OCR GCSE Chemistry 2.2 Bonding, covering 2.2.1 Metals, non-metals and the Periodic Table, 2.2.2 Types of chemical bonding and dot and cross diagrams, 2.2.3 Limitations of bonding models, and 2.2.4 Reactivity, atomic number and the modern Periodic Table. Each one has a worked solution and a mark scheme showing where the marks go.