Iron II Oxide and Ionic Compounds

The video tutorial explains how to write the chemical formula for iron II oxide (FeO). It begins by identifying iron and oxygen on the periodic table and discusses their charges. Iron, a transition metal, has a 2+ charge, while oxygen has a 2- charge. The tutorial emphasizes the importance of balancing these charges to form a neutral compound, resulting in the formula FeO. The video concludes with a summary of the process and the final formula.

What elements are involved in forming Iron II Oxide?

• Iron and Carbon

• Iron and Hydrogen

• Iron and Oxygen

• Iron and Nitrogen

What type of compound is formed between iron and oxygen?

• Covalent compound

• Ionic compound

• Molecular compound

• Metallic compound

What is the charge on the iron ion in Iron II Oxide?

• 4+

• 1+

• 2+

• 3+

What is the charge on the oxygen ion in Iron II Oxide?

• 4-

• 1-

• 2-

• 3-

How do the charges of iron and oxygen ions combine in Iron II Oxide?

• They do not combine

• They add up to a positive charge

• They add up to a negative charge

• They add up to zero

What is the chemical formula for Iron II Oxide?

• Fe3O4

• FeO2

• FeO

• Fe2O3