Exit presenter|Atomic Models and Evidence
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Hook

How small is an atom?

  • If you expanded a grapefruit to stadium size, atoms would be marble-sized.
  • We cannot see atoms with classroom microscopes — how do we know their structure?
grapefruitstadiumatom ≈ marbleIf a grapefruit were an atom, a stadium models its relative size
Scale: grapefruit compared to stadium with marble-sized atom