Relative masses and Isotopes 0.0 / 5 ? ChemistryRelative masses and IsotopesGCSEAQA Created by: Tutku.DoganCreated on: 08-02-14 14:57 What are the relative masses of protons, neutrons and electrons? Proton = 1 Neutron = 1 Electron = V. Small 1 of 5 What is the mass number? Total no. of protons and neutrons in an atom. 2 of 5 What are isotopes? Different atomic forms of the same element, with the same number of protons but a different number of neutrons. 3 of 5 True or False: Isotopes have different mass numbers True 4 of 5 Give an example of a common isotope Carbon 12 and Carbon 14 5 of 5
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