Lesson
Lesson-3.1.6- State the two types of isotopes as being radioactive and non-radioactive. State one medical and one industrial use of radioactive isotopes.
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Lesson-3.1.7- Describe the build-up of electrons in ???shells??? and understand the significance of the noble gas electronic structures and of the outer shell electrons. (The ideas of the distribution of electrons in s and p orbitals and in d block elements are not required.)PreviousLesson-3.1.5- Define isotopes as atoms of the same element which have the same proton number but a different nucleon number.Next