This topic contains a solution. Click here to go to the answer

Author Question: If the energy of n = 4 is 0.85 eV and that of n = 2 is 3.40 eV in a hydrogen atom, a transition from ... (Read 38 times)

shofmannx20

  • Hero Member
  • *****
  • Posts: 562
If the energy of n = 4 is 0.85 eV and that of n = 2 is 3.40 eV in a hydrogen atom, a transition from n = 4 to n = 2 will release a photon of what energy?

Question 2

The following statements all refer to the human brain when mental activity is occurring. Which statement is correct?
 a. In order to detect electric currents in the brain, you must open the skull and make direct electrical contact with the brain.
  b. The electric currents in the brain can be detected outside the brain by detecting the magnetic fields they produce.
  c. The electric currents in the brain can be mapped by shaving a person's head and dropping iron filings on the head.
  d. The electric currents in the brain produce an aura that can be detected visually.
  e. The electric currents in the brain cannot be detected by any means.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Expo

  • Sr. Member
  • ****
  • Posts: 351
Answer to Question 1

2.55 eV (-0.85 eV + 3.40 eV)

Answer to Question 2

b




Expo

  • Sr. Member
  • ****
  • Posts: 351

 

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

For a complete list of videos, visit our video library