1.2 Atomic Structure 0.0 / 5 ? ChemistryAtomic StructureASWJEC Created by: rxchelhorneCreated on: 17-02-16 15:55 What is the relative mass and charge of a proton? Relative mass of 1, and a +1 charge 1 of 9 What is the relative mass and charge of a neutron? Relative mass of 1, and a 0 charge 2 of 9 What is the relative mass and charge of an electron? Relative mass of 1/1840, and a -1 charge 3 of 9 What does the atomic number represent? Number of protons in the nucleus 4 of 9 What does the mass number represent? Number of protons and neutrons in the nucleus 5 of 9 What is the definition of an isotope? Atoms with the same number of protons but a different number of neutrons 6 of 9 What is an ion? an atom that has lost or gained one or more electron, and so the number of electrons do not equal the number of protons 7 of 9 What is a cation? A positive ion that has lost one or more electrons to fill its outer shell 8 of 9 what is an anion? A negative ion that has gained one or more electrons to fill its outer shell 9 of 9
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