Mastering Lewis Structures for Ionic Compounds

The video tutorial explains how to draw Lewis structures for ionic compounds, using examples such as sodium chloride, magnesium fluoride, potassium oxide, and aluminum oxide. It covers the transfer of electrons between metals and non-metals, resulting in cations and anions, and how to represent these structures using brackets and charges.

What happens to sodium when it donates its electron to chlorine in the formation of sodium chloride?

• It becomes a positively charged ion.

• It remains neutral.

• It becomes a negatively charged ion.

• It gains more electrons.

How many valence electrons does magnesium have before forming magnesium fluoride?

• Four

• Three

• Two

• One

In the formation of magnesium fluoride, what charge does each fluorine ion acquire?

• Minus two

• Plus two

• Minus one

• Plus one

How many potassium atoms are involved in forming potassium oxide?

• One

• Two

• Three

• Four

What is the charge on the oxygen ion in potassium oxide?

• Minus two

• Plus one

• Minus one

• Plus two

Which element in potassium oxide has a larger charge?

• Both have the same charge

• Neither has a charge

• Potassium

• Oxygen

How many aluminum atoms are involved in forming aluminum oxide?

• Three

• Four

• One

• Two

What is the charge on each aluminum ion in aluminum oxide?

• Plus one

• Plus two

• Minus three

• Plus three

How many oxygen atoms are present in aluminum oxide?

• Four

• Three

• Two

• One

What is the charge on each oxide ion in aluminum oxide?

• Minus two

• Plus two

• Minus one

• Plus one