Chemguide: Support for CIE A level Chemistry

Learning outcome 2.3(d)

This statement (in three parts) deals with first ionisation energy and the way ionisation energy varies across and down the Periodic Table.

Before you go on, you should find and read the statement in your copy of the syllabus.

Ionisation energy

You will find everything that you need to know about ionisation energy on the page about first ionisation energy.

You will find this really difficult if you aren't already confident about electronic structures using s and p notation. Don't even think about looking at this page until you are happy about that.

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© Jim Clark 2012 (last modified March 2014)