Valence Electrons and Molecular Structure

The video tutorial explains how to draw the Lewis structure for NH2I. It begins by counting the valence electrons for nitrogen, hydrogen, and iodine, totaling 14. The tutorial then places nitrogen in the center with hydrogen atoms on the outside and iodine. It forms bonds by placing electron pairs between atoms and completes the octet for iodine and nitrogen. The final structure is reviewed, ensuring all atoms satisfy the octet rule.

What is the total number of valence electrons in NH2I?

• 18

• 12

• 14

• 16

Which atom is placed at the center of the NH2I molecule?

• Oxygen

• Iodine

• Hydrogen

• Nitrogen

How many pairs of electrons are used to form chemical bonds in NH2I?

• 6

• 5

• 4

• 3

What is the purpose of completing the octet for iodine in the NH2I structure?

• To balance the charge

• To stabilize the molecule

• To increase reactivity

• To reduce the number of valence electrons

How many valence electrons do hydrogen atoms have in the NH2I structure?

• 4

• 3

• 2

• 1

What is the significance of nitrogen having an octet in the NH2I structure?

• It makes nitrogen more reactive

• It ensures nitrogen is stable

• It allows nitrogen to form more bonds

• It reduces the molecular weight