What you’ll learn4 learning objectivesChoose one objective for a focused lesson, or study the complete topic.1.2.1Terms: isotope• Define: isotope in terms of numbers of protons and neutronsSyllabus objective1.2.2The notation x• Understand the notation x y A for isotopes, where x is the mass/nucleon number and y is the atomic/proton numberSyllabus objective1.2.3Isotopes of the same element have the same• State that and explain why isotopes of the same element have the same chemical propertiesSyllabus objective1.2.4Isotopes of the same element have different• State that and explain why isotopes of the same element have different physical properties, limited to mass and densitySyllabus objective