Understanding FeS2 and Its Atoms

The video tutorial explains the atomic composition of FeS2, also known as pyrite or fool's gold. It details that FeS2 consists of one iron atom and two sulfur atoms, totaling three atoms. The tutorial further explains how to calculate the number of atoms in one mole of FeS2 using Avogadro's number, resulting in the number of iron and sulfur atoms in a mole. The video concludes with a summary of these calculations.

What is the total number of atoms present in a single molecule of FeS2?

• One

• Two

• Three

• Four

How many sulfur atoms are there in one molecule of FeS2?

• Four

• Two

• Three

• One

To find the number of iron atoms in one mole of FeS2, you multiply by which constant?

• Planck's constant

• Avogadro's number

• Boltzmann's constant

• Gravitational constant

If you have one mole of FeS2, how many sulfur atoms would you calculate using Avogadro's number?

• Twice Avogadro's number

• One

• Two

• Avogadro's number

What is the common name for FeS2?

• Copper

• Fool's gold

• Real gold

• Silver