The three major structural parts of the earth are A) core, ...

[james9437]

The three major structural parts of the earth are
 
  A) core, mantle and crust.
  B) lithosphere, atmosphere and crust.
  C) mantle, crust and atmosphere.
  D) lithosphere, hydrosphere and atmosphere.

Question 2

The oxidation number of F-1 is
 
  A) -1.
  B) 0.
  C) +1.
  D) 2.

Question 3

Which of the following is a definition of reduction?
 
  A) Reduction is the gain of oxygen.
  B) Reduction is the gain of hydrogen.
  C) Reduction is the loss of hydrogen.
  D) Reduction is the gain of BOTH electrons AND oxygen.

[Kedrick2014]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

B

[james9437]

YES! Correct, THANKS for helping me on my review

[irishcancer18]

Excellent