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Atomic structure

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  • 1. _ t _ _ ic St _ _ ctu _ _ Starter What’s the title? Put it down along with today’s date and classwork – underline both with a ruler as always please. Learning Objectives Understand how protons, neutrons and electrons make up an atom Be able to digitally build an atom Start to differentiate between types of radioactive decay Success crits Labelled diagrams of atoms; matrix of radioactive decay types; a smile.
  • 2. The big picture/steps to understanding are...... 1. What particles make up a nucleus? How are they different? We’ll watch a clip, discuss and draw a labelled diagram. 2. How does this relate to elements? I’ve seen this in the periodic table but how are they linked? We’ll watch another video, draw a quick sketch and then practice this by building atoms on a website. 3. What is radiation/radioactive decay? What are the different types? You’ll do some independent work here to research how they are different – choose how to present your notes in your books for homework.
  • 3. Basic atomic structure Watch. Draw diagram. Label. Shade in if time.
  • 4. A suggested start for your diagram.... What particles are found here – and what charge and mass do they have? What’s this called? What charge does it have? What mass?
  • 5. How does this relate to elements in the periodic table?
  • 6. Right – explain these! 64 106 Cu 29 Draw diagram. Label. Shade in if time. Pd 46
  • 7. Practice!
  • 8. Now it’s over to you.  Planners out please. Write down that you have Science homework, to be handed in first lesson with me next week.  Your homework is to create notes on the three different types of radioactive decay. My expectations: ◦ At least half a page per type ◦ Mix of text/shaded & labelled diagrams ◦ Includes info from more than one source ◦ Presentation, literacy, effort all top drawer
  • 9. Last main task  Spend the rest of your lesson time researching & reading up on the three main types of radioactive decay ◦ Alpha ◦ Beta ◦ Gamma Use BTEC texts, laptops, 3G  At least 10 minutes NO WRITING 
  • 10. Exit ticket Grab a mobile device  Go to m.socrative.com  Log in as a student to room 26983  Complete the questions you find there to summarise your learning today  Problem - Re-write this statement correctly “An element’s atomic number shows the number of electrons in a nucleus; it’s mass number is the number of electrons and protons surrounding the nucleus.” 