Author Question: The smallest object one can distinguish using the electron microscope is on the order of one ... (Read 14 times)

kaid0807

  • Hero Member
  • *****
  • Posts: 515
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

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

59 atoms

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

adammoses97

  • Sr. Member
  • ****
  • Posts: 337

 

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

For a complete list of videos, visit our video library