This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A heavy neutral atom, such as iron, produces many spectral lines compared to light elements like ... (Read 38 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 27, 2018
A heavy neutral atom, such as iron, produces many spectral lines compared to light elements like hydrogen and helium. Why?
 
  A) Because of the larger number of electrons and corresponding energy levels, more transitions are possible.
  B) Because of the larger number of electrons, there are many ionization levels possible.
  C) Because of the larger number protons, the amount of force holding the electrons to the atom can vary between different iron atoms.
  D) Because of the atom's larger size, it will be hit by more photons in a beam of light.

Question 2

How long does it take an O-type star to form, compared to the time for a solar-type star to form?
 
  A) 1/300 as long
  B) 1/30 as long
  C) about the same time
  D) 30 times longer
  E) 300 times longer


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

raili21

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

B


Tirant22

  • Member
  • Posts: 532
Reply 2 on: Jul 27, 2018
Excellent

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Every flu season is different, and even healthy people can get extremely sick from the flu, as well as spread it to others. The flu season can begin as early as October and last as late as May. Every person over six months of age should get an annual flu vaccine. The vaccine cannot cause you to get influenza, but in some seasons, may not be completely able to prevent you from acquiring influenza due to changes in causative viruses. The viruses in the flu shot are killed—there is no way they can give you the flu. Minor side effects include soreness, redness, or swelling where the shot was given. It is possible to develop a slight fever, and body aches, but these are simply signs that the body is responding to the vaccine and making itself ready to fight off the influenza virus should you come in contact with it.

A comparison of electron and light microscope technologies A comparison of electron and light microscope technologies
Secondary intravenous lines: (a) a tandem intravenous alignment Secondary intravenous lines: (a) a tandem intravenous alignment
A pleasant smile can go a long way, even through telephone lines. A pleasant smile can go a long way, even through telephone lines.
The elements of chromatin structure The elements of chromatin structure
In 1994 a team of German physicists created an atom of Element 110. If the atom In 1994 a team of German physicists created an atom of Element 110. If the atom
Major Elements of the Genitourinary System Major Elements of the Genitourinary System
Video: What are Strong & Weak Acids and How they're different?

For a complete list of videos, visit our video library