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 80 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
YES! Correct, THANKS for helping me on my review

nguyenhoanhat

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere Water potentials decrease (become more negative) as one moves from soil to plant to atmosphere
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.
Expansion Ratios for Liquefied Compressed Gases Expansion Ratios for Liquefied Compressed Gases
Earth Atmosphere Earth Atmosphere
Sun's composition of Gases. Sun's composition of Gases.
Carnivorous plants of the genus Nepenthes grow in nitrogen-poor soil Carnivorous plants of the genus Nepenthes grow in nitrogen-poor soil
Video: baroreceptors

For a complete list of videos, visit our video library