Ionic Compounds and Acetate Ions

This video tutorial explains how to write the formula for Iron(II) Acetate. It begins by identifying the element symbol for iron and its ionic charge, followed by an explanation of the acetate ion. The tutorial then demonstrates how to balance the charges of the metal and polyatomic ion to form the ionic compound Iron(II) Acetate. The video concludes with the final formula and a brief summary.

What is the charge of iron in Iron(II) Acetate?

• 3+

• 0

• 2+

• 1+

Which of the following is a polyatomic ion?

• Fe

• O2

• C2H3O2

• Na

What is the charge of the acetate ion?

• 1-

• 2-

• 1+

• 2+

How many acetate ions are needed to balance the charge of one iron ion in Iron(II) Acetate?

• Four

• One

• Two

• Three

Why do the charges in an ionic compound need to add up to zero?

• To make the compound magnetic

• To make the compound dissolve in water

• To make the compound colorful

• To make the compound stable

What is the correct formula for Iron(II) Acetate?

• Fe(C2H3O2)3

• Fe2(C2H3O2)3

• Fe(C2H3O2)2

• FeC2H3O2

Who is the presenter of the video tutorial?

• Dr. B

• Dr. D

• Dr. A

• Dr. C