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

Author Question: The most abundant element in the earth's crust is A) silicon. B) iron. C) oxygen. D) ... (Read 47 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
on: Aug 27, 2018
The most abundant element in the earth's crust is
 
  A) silicon.
  B) iron.
  C) oxygen.
  D) sodium.

Question 2

In which of the following is the reactant undergoing reduction? (Note: These reactions are not complete chemical equations.)
 
  A) C2H4O  C2H4O2
  B) C2H4O  C2H6O
  C) CO  CO2
  D) CH4  C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

JCABRERA33

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Mr3Hunna

  • Member
  • Posts: 536
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

samiel-sayed

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Solar particles interact with Earth's magnetosphere. Sizes not to scale. Solar particles interact with Earth's magnetosphere. Sizes not to scale.
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
Matthew Ritchie, three stills from The Iron City. Matthew Ritchie, three stills from The Iron City.
Mercury Element Mercury Element
Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo Structure of hemoglobin, the oxygen-transporting protein of red blood cells. It consists of four glo
Earth 240 Million Years Ago Earth 240 Million Years Ago
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library