Ionic Compounds (Edexcel GCSE Chemistry Combined Science): Quizzes

Transfer of electrons from metal to non-metal

Ions

No charge

Strong electrostatic attraction

Regular, repeating pattern of ions

Shows empty spaces that don't exist

Around $1.2 \times 10^{18}$

All directions

Strong ionic bonds require much energy to break

$Mg^{2+}$ & $O^{2-}$ bonds are stronger

When melted or dissolved in water

Ions are held in fixed positions