Understanding Sulfur Trioxide Chemistry

The video tutorial explains how to write the chemical formula for sulfur trioxide. It begins by identifying the elements involved: sulfur and oxygen. The tutorial highlights that 'tri' in trioxide indicates three oxygen atoms, leading to the formula SO3. The explanation is straightforward and concludes with a thank you from Dr. B.

What is the first step in writing the formula for sulfur trioxide?

• Write O for oxygen

• Write SO for sulfur oxide

• Write SO3 directly

• Write S for sulfur

What does the 'tri' in trioxide indicate?

• Three oxygen atoms

• Two oxygen atoms

• One sulfur atom

• Three sulfur atoms

How many oxygen atoms are present in sulfur trioxide?

• One

• Two

• Four

• Three

What is the chemical formula for sulfur trioxide?

• SO

• S3O

• SO2

• SO3

Who is the presenter of the video?

• Dr. C

• Dr. A

• Dr. D

• Dr. B