Atoms 2.0 / 5 based on 1 rating ? PhysicsRadioactivityGCSEAQA Created by: Georgia Wanless EnsellCreated on: 21-02-13 12:41 the number of protons plus the number of neutrons mass number 1 of 10 number of protons in the nucleus atomic number 2 of 10 has a different number of neutrons isotope 3 of 10 helium nucleus alpha particle 4 of 10 beta particle electron 5 of 10 no mass or charge gamma particle 6 of 10 when a neutron loses an electron and becomes a proton particle beta decay 7 of 10 atoms of an element always have the same number of protons 8 of 10 an atom becomes this when it loses or gains an electron ion 9 of 10 decay causes -4 mass number alpha decay 10 of 10
Comments
No comments have yet been made