Valence Electrons and Lewis Structures

The video tutorial explains how to draw the Lewis structure for HNO. It begins by calculating the total valence electrons and placing hydrogen, nitrogen, and oxygen in the structure based on electronegativity. The tutorial then demonstrates forming chemical bonds and distributing electron pairs to satisfy the octet rule. Finally, it shows how to adjust the structure by forming a double bond to ensure all atoms have a complete octet.

How many total valence electrons are present in HNO?

• 10

• 12

• 14

• 16

Which atom is placed in the center when drawing the Lewis structure for HNO?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon

How many electrons are initially used to form chemical bonds between atoms in HNO?

• 2

• 8

• 4

• 6

What is the total number of electrons used after placing electron pairs around the outside atoms in HNO?

• 6

• 8

• 10

• 12

What adjustment is made to satisfy the octet rule for nitrogen in HNO?

• Adding more electrons to oxygen

• Removing electrons from hydrogen

• Adding a single bond with hydrogen

• Forming a double bond with oxygen

After forming a double bond, how many valence electrons does nitrogen have in HNO?

• 9

• 8

• 7

• 6