This Study Mind Tutorial covers the following specification points:

CIE: 1.2.1, 1.2.3, 1.2.4

1.2.1. know that ionic bonding is the strong electrostatic attraction between oppositely charged ions

1.2.3. understand the formation of ions in terms of electron loss or gain

1.2.4. be able to draw electronic configuration diagrams of cations and anions using dot-and-cross diagrams