Atomic Structure 2.0 / 5 based on 1 rating ? ScienceAtomsGCSEAQA Created by: Keri FosterCreated on: 15-04-13 18:39 What are Isotopes? They are atoms of an element with different numbers of neutrons. 1 of 5 How do you get the relative formula mass of a compound? By adding together the relative atomic masses of all the atoms in the formula of the compound. 2 of 5 How much does a proton weigh (relative mass)? 1 3 of 5 How much does a Neutron weigh (relative mass)? 1 4 of 5 Electron Very small (1/1836) 5 of 5
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