« previous next »

Author Question: An atom that is excited a. is also ionized. b. is an isotope. c. has had its electron moved to ... (Read 74 times)

LaDunn

  • Hero Member
  • *****
  • Posts: 526
on: Jul 27, 2018
An atom that is excited
 
  a. is also ionized.
  b. is an isotope.
  c. has had its electron moved to the lowest energy level.
  d. can emit a photon when the electron moves to a lower energy level.
  e. can emit a photon when the electron moves to a higher energy level.

Question 2

The most distant point in the Moon's orbit is called _________________.
 
  a. apogee b. perigee
  c. perihelion d. aphelion


katheyjon

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Early whales moved from terrestrial to aquatic environments Early whales moved from terrestrial to aquatic environments
Electron Microscope Images of a Diatom Electron Microscope Images of a Diatom
Scorpions, Spiders and Sharks: Electron-Microscope Images Scorpions, Spiders and Sharks: Electron-Microscope Images
Electron microscope photo of mRNA molecules being read by ribosomes. Electron microscope photo of mRNA molecules being read by ribosomes.
What is the identity of this atom? What is the identity of this atom?
An electron micrograph showing transcription of a gene. An electron micrograph showing transcription of a gene.
Video: The Pressure Flow Model in a Plant

For a complete list of videos, visit our video library