Valence Electrons in FO2- Structure

This video tutorial explains how to write the Lewis structure for the FO2- ion, also known as the fluorite ion. It begins by counting the valence electrons for fluorine and oxygen, totaling 20 electrons. The tutorial then guides viewers through placing fluorine at the center with oxygen atoms on either side, forming chemical bonds, and completing the octets for each atom. Finally, it demonstrates adding brackets to indicate the ion's negative charge, completing the Lewis structure.

How many total valence electrons are present in the FO2- ion?

• 18

• 20

• 22

• 24

Which atom is placed at the center of the FO2- Lewis structure?

• Oxygen

• Hydrogen

• Fluorine

• Carbon

How many valence electrons are used to form chemical bonds in the FO2- structure?

• 16

• 12

• 8

• 4

What is the total number of valence electrons used after completing the octets for oxygen atoms?

• 18

• 14

• 12

• 16

How many additional electrons are needed to complete the octet for the fluorine atom?

• 2

• 8

• 6

• 4

What is the total number of valence electrons used in the FO2- structure after completing all octets?

• 18

• 24

• 20

• 22

What is added to the Lewis structure to indicate that FO2- is an ion?

• A triangle

• A circle

• Brackets

• A square

Where is the negative charge placed in the Lewis structure of FO2-?

• Next to the oxygen

• Outside the brackets

• Inside the brackets

• Next to the fluorine