The History and Structure of the Atom — Presentation, Video and Questions

This lesson covers a brief history of the discovery of the atom as well as the basic structure of the atom. Includes student key questions (objectives) and a video. This presentation was created for the Cambridge GCSE Chemistry syllabus.

Filetype: Microsoft Powerpoint (16.0), PDF, link to Google Slides
Size: 3.1MB
Number of slides: 29
Media: Links to 1 video

Key questions (learning objectives):

1. How were atoms discovered?
2. How were the parts of an atom discovered?
3. How heavy is an atom? How much space does it take up?
4. What is an ion?

Slides:

1. Title
2. Presentation attributes
3. Key questions
4. Lesson lead-in
5. Title slide: A short history
6. Democritus
   7-8. Dalton
7. Crookes
   10-11. Thomson
   12-13. Rutherford
8. Question
9. Title Slide: Enter the Atom
   16-17. The nucleus
10. Subatomic particles
11. Balanced charge
12. Identifying number of protons on the periodic table
13. Question: What happens when you change the number of protons?
    22-24. Question: What happens when you change the number of electrons?
    25-26. Question: What happens when you change the number of neutrons?
14. Atomic mass
15. Questions
16. Review