« previous next »

Author Question: Which of the following gases is a trace natural constituent of the air? a. Ar b. SO2 c. CO d. ... (Read 87 times)

Shelles

  • Hero Member
  • *****
  • Posts: 582
on: Jul 28, 2018
Which of the following gases is a trace natural constituent of the air?
 a. Ar
  b. SO2
 c. CO
  d. NO2

Question 2

When an electron is added to an atom, a(n) ______________ ion is formed.
 Fill in the blank(s) with correct word


ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jul 28, 2018
Answer to Question 1

a

Answer to Question 2

negative


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Shelles

  • Hero Member
  • *****
  • Posts: 582
Reply #2 on: Jul 28, 2018
Thank you!


ankilker

  • Sr. Member
  • ****
  • Posts: 328
Reply #3 on: Jul 28, 2018
Always glad to help...


« previous next »
 

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?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select Blending inheritance formed the basis of nineteenth-century critiques of evolution by natural select
Using PHA-L to Trace Efferent Axons Using PHA-L to Trace Efferent Axons
Natural abundance of Mercury Natural abundance of Mercury
Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ... Earth scientists have devised a scheme to divide the planet’s natural history into distinct time ...
Natural gas is a cleaner fuel than coal Natural gas is a cleaner fuel than coal
Chart showing average yearly dose of radiation from natural and human-made sources Chart showing average yearly dose of radiation from natural and human-made sources
Video: Glycolysis - Introduction to ATP and the burning of sugar

For a complete list of videos, visit our video library