Chemistry 0.0 / 5 ? ChemistryGCSEAQA Created by: BunterCreated on: 15-05-13 15:48 What is a Isotope? Atom that has the same number of protons but different number of nuetrons 1 of 6 What is a atomic number? The number of protons in a atom. It is sometimes called yhe proton number 2 of 6 How do you work out how many neutrons there are in the nucleus? number of nuetrons = mass number - atomic number 3 of 6 What is the relative mass of proton? 1 4 of 6 What is the relative mass of a neutron? 1 5 of 6 What is the relative mass of a electron? very small 6 of 6
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