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Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Date post: 14-Jan-2016
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Dalton’s Atomic Theory
Transcript
Page 1: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Dalton’s Atomic Theory

Page 2: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Scanning Tunneling Electron Microscope

Page 3: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Particle Accelerator

Page 4: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Cathode Ray Tube

Page 5: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.
Page 6: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.
Page 7: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.
Page 8: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.
Page 9: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Plum Pudding Model

Page 10: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Ernest Rutherford

Page 11: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Gold Foil Experiment

Page 12: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Gold Foil Experiment

Page 13: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Rutherford’s Gold Foil

Page 14: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

The Gold Foil Experiment

Page 15: Dalton’s Atomic Theory. The Scanning Tunneling Electron Microscope.

Relative Abundance

• On earth, 99.759% of all naturally occurring oxygen is oxygen-16. Two other oxygen isotopes are found in small amounts: oxygen-17 (0.037%) and oxygen-18 (0.204%). Find the average atomic mass of oxygen.

• Element X has two natural isotopes. The isotope with a mass of 10.012 amu (10X) has a relative abundance of 19.91%. The isotope with a mass of 11.009 amu (11X) has a relative abundance of 80.09%. Calculate the average atomic mass of this element.


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