Chemical Bonding Concepts

What is the main reason atoms form chemical bonds?

• To increase their energy

• To achieve a stable electronic configuration

• To become larger in size

• To change their color

What does the Lewis octet rule help atoms achieve?

• A liquid state

• A gaseous state

• A metallic state

• A stable electronic configuration

How many pairs of electrons are shared in a double bond?

• Four pairs

• Two pairs

• One pair

• Three pairs

What type of bond is formed when orbitals overlap along the internuclear axis?

• Sigma bond

• π bond

• Metallic bond

• Ionic bond

What are lone pairs in a covalent molecule?

• Pairs of electrons not involved in bonding

• Pairs of electrons involved in bonding

• Pairs of protons

• Pairs of neutrons