CHEMISTRY ABOUT SCIENCE 1.0 / 5 based on 2 ratings ? ChemistryAtoms and compoundsGCSEAll boards Created by: unknown786Created on: 11-05-12 21:42 Atoms and Electrons Atoms have a small nucleus surrounded by electrons. Atoms have no charge overall. Elements consist of one type of atom only. Mass number is the number of protons and neutrons. ATOMIC number is the proton number NUMBER OF PROTONS=NUMBER OF ELECTRONS 1 of 1
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