« previous next »

Author Question: Why do atoms only emit certain wavelengths of light when they are excited? (Why do line spectra ... (Read 40 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
on: Aug 27, 2018
Why do atoms only emit certain wavelengths of light when they are excited? (Why do line spectra exist?)
 
  What will be an ideal response?

Question 2

Which of the following elements is most likely to form an ion with a -1 charge?
 
  A) Mg
  B) Si
  C) S
  D) Cl
  E) Sc


juliaf

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 27, 2018
Answer to Question 1

The energies of atoms are quantized. When an electron moves from one energy level to another during emission, a specific wavelength of light (with specific energy) is emitted. The electrons are not allowed in between quantized energy levels and thus there is no continuous spectrum observed.

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Everyone has one nostril that is larger than the other.

pupil light reaction pupil light reaction
Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ... Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ... Spinal changes caused by osteoporosis. Use light pressure and gentle stretches only with frail or ...
Dash Warning Lights: Oil (Engine) Light Dash Warning Lights: Oil (Engine) Light
A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ... A laser emits a pulse of light that lasts 10 ns. The light has a wavelength of 690 nm, and each ...
Light Blue Eye Color Light Blue Eye Color
Video: Energy Flow - Trophic Levels and Food

For a complete list of videos, visit our video library