Iron and Iodine Chemistry Concepts

This video tutorial explains how to write the chemical formula for Iron(II) Iodide. It begins by identifying the element symbols for iron (Fe) and iodine (I), and their respective charges. Iron, being a transition metal, has a charge of 2+, while iodine has a charge of 1-. The tutorial demonstrates how to balance these charges by using subscripts, resulting in the formula FeI2. The video concludes with a brief summary of the process.

What is the chemical symbol for iron?

• In

• Ir

• Fe

• I

Which group does iodine belong to on the periodic table?

• Group 18

• Group 2

• Group 1

• Group 17

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

• 1+

• 2+

• 0

• 3+

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

• Two

• One

• Four

• Three

What is the final formula for Iron(II) Iodide?

• FeI

• Fe2I2

• Fe2I

• FeI2