Back to Combined Science: TrilogyPractice this
Chemistry Paper 1
Bonding Basics
Ionic bonding: metal loses electrons, non-metal gains.
Key Facts
- Ionic compounds form giant lattices.
- Ionic bonds are strong electrostatic attractions.
Topics Covered
Ionic Bonding
What you need to know
- •Metals lose electrons to form positive ions.
- •Non-metals gain electrons to form negative ions.
Exam Tips
- Use full outer shell diagrams to explain bonding.
Key Terms
Ionic bond
Electrostatic attraction between oppositely charged ions.
Lattice
Regular repeating structure in ionic solids.
Loading practice drills...
Common Exam Questions
Why do ionic compounds have high melting points?
3 marksmediumChemistry Paper 1
Model Answer
Ionic compounds have strong electrostatic attractions between ions in a giant lattice. A lot of energy is needed to overcome these forces.
What examiners want to see
- ✓Mention strong forces and giant lattice.
- ✓Connect to large energy requirement.
Related Topics
Other topics you might find useful