Periodicity
Periodicity is the repeating trend in the properties of the elements across a period
These include electron configuration, ionisation energy, structure and melting points.
Down a group the nuclear charge increases and there is an increase in shielding and an increased distance from nucleus due to the additional shells.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
More in The Periodic Table
All 6 lessons in The Periodic Table · All Edexcel AS-level Chemistry topics