Which types of atoms form an ionic bond?
In Na2O\text{Na}_2\text{O}Na2O, two metal atoms each transfer one electron to one oxygen atom.
Calculate 8 minus the group number to find the size of its negative charge.
A metal atom reacts with a non-metal atom.
A 2- ion, because it gains two electrons.
Flashcards for AQA GCSE Chemistry 2.1.2 Ionic bonding, covering the key terms, definitions and equations you need to recall for Paper 1 and Paper 2. 20 cards, matched to the AQA GCSE Chemistry (8462) specification. Recall questions account for roughly 40% of marks at GCSE Chemistry, so these target the marks you can secure before the paper starts.
