Drawing Lewis Structures for Ionic Compounds

This video tutorial explains how to draw Lewis structures for various ionic compounds, including 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 demonstrates the use of brackets and charges in representing these structures.

What is the charge on a sodium ion after it loses one electron?

• 0

• +1

• -1

• +2

How many valence electrons does chlorine have before forming an ionic bond with sodium?

• 5

• 8

• 6

• 7

What is the charge on a magnesium ion after it loses two electrons?

• -1

• +2

• -2

• +1

How many valence electrons does fluorine have before forming an ionic bond with magnesium?

• 7

• 6

• 8

• 5

How many potassium atoms are involved in forming potassium oxide?

• 3

• 2

• 1

• 4

What is the charge on an oxygen ion after it gains two electrons?

• -1

• +2

• -2

• +1

How many valence electrons does an aluminum atom have before forming an ionic bond?

• 4

• 3

• 5

• 2

What is the charge on an aluminum ion after it loses three electrons?

• +3

• +2

• +1

• +4

How many oxygen atoms are involved in forming aluminum oxide?

• 4

• 3

• 2

• 1

What is an alternative way to write the Lewis structure for potassium oxide?

• K2 and O2

• 2K+ and O2-

• K2O

• K+ and O-