A student is given the electron arrangements of four elements, labelled J, K, L and M.
| Element | Electron arrangement |
|---|---|
| J | 2.2 |
| K | 2.7 |
| L | 2.8.1 |
| M | 2.8.6 |
Which statement about these elements is correct?
L is a non-metal in Period 3.
M is a non-metal in Period 3.
K is a metal in Period 2.
J is a metal in Period 3.
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.