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Atomic structure lesson including: mass of electron, proton and neutron, isotope definition and atomic structure worksheets with questions and answers. J.J Thomson, Ernest Rutherford, Niels Bohr and Hantaro Nagaoka (who’s he right?) also feature! This is a Year 12 A level lesson for Edexcel International Unit 1 – WCH11, but it can also be used for all UK exam boards. All the slides in this lesson are fully animated and include answers to every mini plenary question and exam question. The breakdown of the slides (which are best opened on Microsoft PowerPoint) is as follows:

Slide 1 - Title and 5-minute starter. The starter is a grid of four questions entitled ‘last week, last lesson, today’s learning and future learning’. Use this generic slide for all of your lessons by simply changing the questions and the answers each time.
Slide 2 - Lesson objectives (see thumbnail image)
Slide 3 – IGCSE Recap: table for students to complete (mass of proton, charge of electron, etc.)
Slide 4 – key definitions (atomic number, mass number and isotopes)
Slide 5 – GCSE recap task: students to complete section 1 of the booklet (included). There is also a stretch and challenge task, which involves students building atoms
Slide 6 – answers review (also included)
Slide 7 – Independent learning or homework – students must complete section 2 of the booklet and also consider the following question: Find out where Hantaro Nagaoka fits in the timeline and explore possible reasons why he is omitted from many Chemistry textbooks
Slides 8 – 9: continued discussion of Hantaro Nagaoka

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