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Home Q & A Board Science-Related Homework Help Physics Astronomy
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BurningAshe BurningAshe
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6 years ago
The _______________ is the amount of energy needed to pull an electron completely away from the nucleus.
 
  Fill in the blank(s) with correct word

Question 2

The formation process for supermassive black holes is linked with the formation of galactic ____.
 
  a. disks
 b. clusters
 c. central bulges
  d. coronae
 e. halos

Question 3

A shift in the position of an emission line of an element toward the red or blue is produced by ____.
 
  a. atoms that become ionized
 b. electrons that transfer from a high energy level to a low energy level
  c. electrons that transfer from a low energy level to a high energy level
  d. the intensity of agitation of atoms in a hot gas
 e. the motion of an object toward or away from the observer
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helenliuhelenliu
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6 years ago
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BurningAshe Author
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#2
6 years ago
Thank you Slight Smile
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#3
6 years ago
Pleasure
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