This Study Mind Tutorial covers the following specification points:

Edexcel: 1.22-1.24, 1.26

1.22. know that elements can be classified as s, p and d-block elements

1.23. understand that electronic configuration determines the chemical properties of an element

1.24. understand periodicity in terms of a repeating pattern across different periods

1.26. be able to illustrate periodicity using data, including electronic configurations, atomic radii, melting and boiling temperatures and first ionisation energies