Understanding Iron(II) Nitrate Composition

The video tutorial explains how to determine the number of atoms in iron II nitrate, Fe(NO3)2. It begins by identifying the number of iron atoms, followed by calculating the nitrogen and oxygen atoms using the compound's chemical formula. The tutorial highlights the importance of parentheses in the formula, indicating that the elements within are multiplied by two. Finally, the total number of atoms is calculated by summing the individual counts, resulting in a total of nine atoms. The video concludes with a recap of the process.

What is the number of iron atoms present in Iron(II) Nitrate?

• Four

• Three

• Two

• One

How many nitrogen atoms are there in Iron(II) Nitrate?

• Four

• Three

• Two

• One

What is the total number of oxygen atoms in Iron(II) Nitrate?

• Five

• Six

• Four

• Three

How do you calculate the total number of atoms in Iron(II) Nitrate?

• Multiply the number of nitrogen and oxygen atoms

• Add the number of iron, nitrogen, and oxygen atoms

• Add the number of iron and nitrogen atoms

• Subtract the number of oxygen atoms from nitrogen atoms

What is the total number of atoms in Iron(II) Nitrate?

• Ten

• Nine

• Eight

• Seven