AS Level Chemistry - Unit 1.2 Isotopes

**This Powerpoint specifically uses the Cambridge AS Level Chemistry Syllabus (9701) and covers all criteria for – Unit 1.2 Isotopes
**

1 define the term isotope in terms of numbers of protons and neutrons

2 understand the notation x yA for isotopes, where x is the mass or nucleon number and y is the atomic or proton number

3 state that and explain why isotopes of the same element have the same chemical properties

4 state that and explain why isotopes of the same element have different physical properties, limited to mass and density

**Every Powerpoint includes learning objectives, a starter and plenary, suitable activities and review questions with mark scheme. We also provide a free pdf version of the file so it can easily be printed for students as a handout or uploaded to the school VLE system
**

Bring your Cambridge AS Level Chemistry lessons to life with our expertly designed teaching resources. Each unit is tailored to the latest syllabus, offering ready-to-use lesson plans, engaging experiments, and visually clear notes that save hours of prep time. Whether you’re new to the course or refining your approach, The Science Shelf gives you everything you need to boost student understanding and exam success — all in one place.