Valence Electrons and Bonding Concepts

Dr. B. introduces hydroiodic acid (HI) and explains its chemical structure using the periodic table. The video covers the concept of valence electrons, the octet rule, and how to draw the Lewis structure for HI. It also demonstrates how to represent the structural formula, ensuring both hydrogen and iodine fulfill their electron requirements.

What is the total number of valence electrons in hydroiodic acid?

• 6

• 7

• 8

• 9

Which group does iodine belong to on the periodic table?

• Group 2

• Group 7 or 17

• Group 6

• Group 1

How many valence electrons are used to bond hydrogen and iodine in hydroiodic acid?

• 6

• 8

• 4

• 2

What is the full outer shell requirement for hydrogen?

• 8 electrons

• 6 electrons

• 2 electrons

• 4 electrons

How many valence electrons does iodine have in its outer shell after bonding?

• 8

• 6

• 4

• 2

What does the structural formula of hydroiodic acid represent?

• Triple bond

• A single bond

• A double bond

• No bond

What is the purpose of the Lewis structure in chemistry?

• To represent the arrangement of electrons

• To show the atomic number

• To indicate the melting point

• To display the atomic mass