C4 0.0 / 5 ? ScienceChemistryGCSEOCR Created by: dreamer4_lifeCreated on: 20-10-13 20:36 What is the atomic number of an element? The number of protons 1 of 5 What is the mass number of an element? The number of protons and neutrons in an element 2 of 5 What is an Isotope? When the amount of neutrons in an element isn't the same 3 of 5 What is a ful outer shell? When there is eight electrons in the outer shell 4 of 5 How is a positive ion formed? when an atom loses one or more electrons 5 of 5
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