key words- atoms and periodic table 0.0 / 5 ? ChemistryAtomsThe Periodic TableGCSEAQA Created by: bethsibleyCreated on: 29-01-18 19:30 Electron A subatomic particle with a relative mass that is very small and an overall charge of -1 1 of 8 Proton A subatomic particle with a relative mass of 1 and a overall charge of +1 2 of 8 Neutron A subatomic particle with a relative mass of 1 nd no overall charge 3 of 8 Atomic Mass The number of protons in the nucleus of an atom 4 of 8 Mass Number The total number of the protons and neutrons in in the nucleus of an atom 5 of 8 Isotope Atoms of l the same electron that have the same atomic number but differnt mass number 6 of 8 Ions Atoms that have gained or lost electrons a now have no overall charge 7 of 8 Electron configuration Represenst how the electrons are arranged in shells around the nucleus of an atom 8 of 8
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