Chemguide: Support for CIE A level Chemistry


Learning outcome 2.1(a)

This statement deals with the definitions of relative charges and masses of protons, neutrons and electrons.

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


You will find a table of these values at the beginning of the page which looks at a simple view of atomic structure.


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© Jim Clark 2010 (last modified March 2014)