Table 1 shows some of the physical properties of Period 3 elements.
| Element | Symbol | Atomic number | Melting point in ∘C^\circ\text{C}∘C |
|---|---|---|---|
| Sodium | Na | 11 | 98 |
| Magnesium | Mg | 12 | 650 |
| Aluminium | Al | 13 | 660 |
| Phosphorus | P | 15 | 44 |
| Sulfur | S | 16 | 115 |
| Chlorine | Cl | 17 | -102 |
| Argon | Ar | 18 | -189 |
State which metal and which non-metal in Table 1 have the highest melting points.
80 exam-style questions on Edexcel GCSE Chemistry 2.2 The periodic table, covering 2.2.1 Mendeleev's periodic table, 2.2.2 Periods, groups, metals and non-metals, and 2.2.3 Electronic configuration and position in the periodic table. Each one has a worked solution and a mark scheme showing where the marks go.