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

Author Question: Which of these gases is least abundant in our atmosphere? A) hydrogen B) nitrogen C) argon D) ... (Read 96 times)

P68T

  • Hero Member
  • *****
  • Posts: 509
on: Jul 27, 2018
Which of these gases is least abundant in our atmosphere?
 
  A) hydrogen
  B) nitrogen
  C) argon
  D) oxygen
  E) carbon dioxide

Question 2

Spectral lines are produced when an electron makes a transition from one energy state to another.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joechoochoy

  • Sr. Member
  • ****
  • Posts: 306
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

TRUE


P68T

  • Member
  • Posts: 509
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

momolu

  • Member
  • Posts: 320
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants. Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ... The molecular structure of methanol showing the one carbon atom, four hydrogen atoms, and one ...
Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities. Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities.
Compressibility factors of gases and vapors. Compressibility factors of gases and vapors.
Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ... Combustion analysis of 0.150 g of an unknown compound containing carbon, hydrogen, and oxygen ...
Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat Nutrias native to South America are abundant in freshwater marshes of the Gulf States. Their populat
Video: Introduction to Photolithography - WC, BLF, PA, Hard and Soft baking

For a complete list of videos, visit our video library