Valence Electrons in NI3

Dr. B explains how to draw the Lewis structure for Nitrogen Triiodide (NI3). The video covers calculating valence electrons, placing atoms, forming chemical bonds, and ensuring octets are complete. Dr. B concludes with a structural formula representation.

What is the chemical formula for Nitrogen Triiodide?

• IN3

• N3I

• I3N

• NI3

How many valence electrons does Nitrogen contribute in NI3?

• 7

• 1

• 3

• 5

What is the total number of valence electrons in NI3?

• 28

• 26

• 24

• 21

Which atom is placed at the center of the NI3 molecule?

• Oxygen

• Hydrogen

• Nitrogen

• Iodine

How many valence electrons are used to form bonds between Nitrogen and Iodine atoms in NI3?

• 10

• 8

• 6

• 4

What is the significance of completing octets in the Lewis structure?

• To reduce the number of atoms

• To ensure stability of the molecule

• To increase the molecular weight

• To change the color of the compound

How many valence electrons does each Iodine atom have in the completed Lewis structure of NI3?

• 6

• 7

• 8

• 9