C4 Revision 0.0 / 5 ? ChemistryAtoms and compoundsStructure and bondingThe Periodic TableGCSEOCR Created by: Sophiesimpson1Created on: 22-03-16 14:26 What is an isotope? Atoms of the same element that have the same atomic number but different mass number 1 of 7 what is an element? substance made up of one type of atom 2 of 7 what is an ion? charged atom or group of atoms 3 of 7 what is a nucleus made up of? protons and neutrons 4 of 7 what is the mass number? total number of protons and neutrons in an atom (top number) 5 of 7 what is the atomic number? is the number of protons in an atoms (little number) 6 of 7 what is the electronic configuration? tells you how the electrons are arranged around the nucleus in shells 7 of 7
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