Magnesium burns in oxygen to make magnesium oxide, MgO.
Magnesium oxide is an ionic compound.
The table shows information about magnesium and oxygen atoms.
| Atom | Atomic number | Electronic structure |
|---|---|---|
| magnesium | 12 | 2.8.2 |
| oxygen | 8 | ? |
Complete the table.
Describe what happens to the electrons when a magnesium atom reacts with an oxygen atom.
The table shows the ions in magnesium oxide.
| Ion | Charge | Electronic structure |
|---|---|---|
| magnesium ion | ? | ? |
| oxide ion | ? | ? |
Complete the table.
Explain why magnesium oxide is an ionic compound and not a covalent compound.
Magnesium also reacts with fluorine to make magnesium fluoride.
A fluoride ion has a charge of 1−.
Write the formula of magnesium fluoride.
64 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.