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Author Question: The smallest object one can distinguish using the electron microscope is on the order of one ... (Read 76 times)

kaid0807

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on: Jul 28, 2018
The smallest object one can distinguish using the electron microscope is on the order of one nanometer (1 nm = 109 m). How many atoms of gold are contained in a cube whose edge is 1 nm long? The atomic mass of gold is 197 and its density is 19.3 g/cm3.

Question 2

The heliocentric model of the solar system was developed by
 a. Brahe.
  b. Kepler.
  c. Copernicus.
  d. Newton.


adammoses97

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Reply #1 on: Jul 28, 2018
Answer to Question 1

59 atoms

Answer to Question 2

c


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kaid0807

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Reply #2 on: Jul 28, 2018
Thank you!


adammoses97

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Reply #3 on: Jul 28, 2018
Always glad to help...


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