atoms
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Atoms. Impact on the world. How do you know atoms exist?. Resolution: 0.1 nm lateral, 0.01 nm depth Scanning Tunnelling microscope Iron atoms on copper surface. How do you know atoms exist?. Famous examples of reactions at atomic level. Atomic bomb - PowerPoint PPT PresentationTRANSCRIPT
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Atoms
Impact on the world
![Page 2: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/2.jpg)
How do you know atoms exist?
• Resolution: 0.1 nm lateral, 0.01 nm depth• Scanning Tunnelling microscope• Iron atoms on copper surface
![Page 3: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/3.jpg)
How do you know atoms exist?
![Page 4: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/4.jpg)
Famous examples of reactions at atomic level
• Atomic bomb• North Korea tested a bomb on 12 Feb 2013;
devastation similar to nuclear bomb in Hiroshima in WWII
![Page 5: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/5.jpg)
Famous examples of reactions at atomic level
• Fukushima Daiichi nuclear disaster 11 Mar 2011• Nuclear meltdown at power plant due to
earthquake and tsunami
• http://www.youtube.com/watch?v=D91T-B-PVE0
![Page 6: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/6.jpg)
Famous examples of reactions at atomic level
• Nuclear fission
![Page 7: Atoms](https://reader035.vdocuments.us/reader035/viewer/2022062501/56816294550346895dd307b5/html5/thumbnails/7.jpg)
Famous examples of reactions at atomic level
• Nuclear fusion
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